{"id":4128,"date":"2026-07-07T19:38:52","date_gmt":"2026-07-07T16:38:52","guid":{"rendered":"https:\/\/arctos.gr\/?p=4128"},"modified":"2026-07-07T19:38:54","modified_gmt":"2026-07-07T16:38:54","slug":"pos-diavazoume-otdr-trace-events-apoleies-reflectance","status":"publish","type":"post","link":"https:\/\/arctos.gr\/en\/pos-diavazoume-otdr-trace-events-apoleies-reflectance\/","title":{"rendered":"\u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 OTDR Trace: events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 reflectance"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-1200x675.png\" alt=\"OTDR trace \u03bc\u03b5 events \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 reflectance \u03c3\u03b5 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae \u03af\u03bd\u03b1\" class=\"wp-image-4129\" srcset=\"https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-1200x675.png 1200w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-650x366.png 650w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-768x432.png 768w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-1536x864.png 1536w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-18x10.png 18w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos-600x338.png 600w, https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos.png 1672w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 OTDR Trace: \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 events, \u03b1\u03c0\u03c9\u03bb\u03b5\u03b9\u03ce\u03bd, reflectance, connectors, \u03c3\u03c5\u03b3\u03ba\u03bf\u03bb\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03ad\u03bb\u03bf\u03c5\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03af\u03bd\u03b1\u03c2.<\/figcaption><\/figure>\n\n\n\n<p>The <strong>OTDR trace<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u039f \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03c0\u03bf\u03cd \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03b7 \u03af\u03bd\u03b1, \u03c0\u03bf\u03cd \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 connectors, \u03c3\u03c5\u03b3\u03ba\u03bf\u03bb\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2, splitters, \u03ba\u03ac\u03bc\u03c8\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03cd \u03c4\u03b5\u03bb\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03b1\u03bd \u03bc\u03ac\u03b8\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf trace, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03bc\u03b9\u03b1 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c5\u03c7\u03b1\u03af\u03b5\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03ad\u03bd\u03b1 OTDR trace \u03b4\u03b5\u03bd \u03b4\u03af\u03bd\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b1\u03c0\u03bb\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u0397 \u03bf\u03b8\u03cc\u03bd\u03b7 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03c3\u03b5 dB, reflectance, dead zones \u03ba\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ad\u03c2 \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2. \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03bf\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c8\u03b5\u03cd\u03c4\u03b9\u03ba\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1. \u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03b3\u03c1\u03ac\u03c6\u03b7\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac.<\/p>\n\n\n\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03bf\u03b4\u03b7\u03b3\u03cc \u03b8\u03b1 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 OTDR trace, \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b1 events, \u03c0\u03ce\u03c2 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c4\u03b5 \u03c4\u03bf reflectance \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c3\u03b5 connector \u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf OTDR Trace;<\/h2>\n\n\n\n<p>\u03a4\u03bf OTDR trace \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b3\u03c1\u03ac\u03c6\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03ad\u03bd\u03b1 OTDR \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03af\u03bd\u03b1\u03c2. \u03a4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03c3\u03c4\u03ad\u03bb\u03bd\u03b5\u03b9 \u03c0\u03b1\u03bb\u03bc\u03bf\u03cd\u03c2 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7\u03bd \u03af\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2. \u0388\u03c4\u03c3\u03b9, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03b9\u03b1 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<p>\u03a3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7. \u03a3\u03c4\u03bf\u03bd \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2. \u039a\u03b1\u03b8\u03ce\u03c2 \u03c4\u03bf \u03c6\u03c9\u03c2 \u03c4\u03b1\u03be\u03b9\u03b4\u03b5\u03cd\u03b5\u03b9, \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b7 \u03af\u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b5\u03be\u03b1\u03c3\u03b8\u03ad\u03bd\u03b7\u03c3\u03b7.<\/p>\n\n\n\n<p>\u038c\u03c4\u03b1\u03bd \u03c4\u03bf OTDR \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9 connector, splice, \u03ba\u03ac\u03bc\u03c8\u03b7 \u03ae \u03c4\u03ad\u03bb\u03bf\u03c2 \u03af\u03bd\u03b1\u03c2, \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 event. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03ba\u03ac\u03b8\u03b5 event \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf, \u03b3\u03b9\u03b1\u03c4\u03af \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03ae \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b2\u03bb\u03ac\u03b2\u03b7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace: \u03c4\u03b9 \u03ba\u03bf\u03b9\u03c4\u03ac\u03bc\u03b5 \u03c0\u03c1\u03ce\u03c4\u03b1;<\/h2>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03bc\u03c0\u03b5\u03c1\u03b4\u03b5\u03c5\u03c4\u03b5\u03af\u03c4\u03b5, \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac. \u039c\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf, \u03b8\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf trace \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03bb\u03ac\u03b8\u03b7.<\/p>\n\n\n\n<ol>\n<li>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03b1\u03bd \u03bf\u03b9 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae.<\/li>\n\n\n\n<li>\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf connector.<\/li>\n\n\n\n<li>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c3\u03b5 dB\/km.<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b1 events \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03ad\u03bd\u03b1.<\/li>\n\n\n\n<li>\u039e\u03b5\u03c7\u03c9\u03c1\u03af\u03c3\u03c4\u03b5 reflective \u03ba\u03b1\u03b9 non-reflective events.<\/li>\n\n\n\n<li>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 event \u03c3\u03b5 dB.<\/li>\n\n\n\n<li>\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf reflectance \u03c3\u03b5 connectors \u03ba\u03b1\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2.<\/li>\n\n\n\n<li>\u0395\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03ae \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf.<\/li>\n\n\n\n<li>\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc link loss \u03bc\u03b5 \u03c4\u03bf loss budget.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03c4\u03b5 \u03cd\u03c0\u03bf\u03c0\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03bc\u03b5 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03ae \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace: \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c3\u03c4\u03b7\u03bd \u03bf\u03b8\u03cc\u03bd\u03b7<\/h2>\n\n\n\n<p>\u039a\u03ac\u03b8\u03b5 OTDR \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03bc\u03b5\u03bd\u03bf\u03cd, \u03cc\u03bc\u03c9\u03c2 \u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b1. \u03a3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7, \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7, \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 events \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2.<\/p>\n\n\n\n<ul>\n<li><strong>Distance:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 event.<\/li>\n\n\n\n<li><strong>Event loss:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u03c3\u03b5 dB.<\/li>\n\n\n\n<li><strong>Reflectance:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03bf \u03c6\u03c9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03b1\u03c0\u03cc connector \u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03ad\u03bd\u03c9\u03c3\u03b7.<\/li>\n\n\n\n<li><strong>Slope:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03b8\u03ad\u03bd\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03c3\u03b5 dB\/km.<\/li>\n\n\n\n<li><strong>Total loss:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2.<\/li>\n\n\n\n<li><strong>ORL:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c4\u03bf\u03c5 link, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1.<\/li>\n\n\n\n<li><strong>End of fiber:<\/strong> \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03ae \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf.<\/li>\n<\/ul>\n\n\n\n<p>\u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ac\u03be\u03b7, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03bf\u03b9\u03c4\u03ac\u03b6\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 events. \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7, \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u03b3\u03c1\u03ac\u03c6\u03b7\u03bc\u03b1 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bf \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03ce\u03c2 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03c3\u03c9\u03c3\u03c4\u03ac \u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 OTDR;<\/h2>\n\n\n\n<p>\u03a0\u03c1\u03b9\u03bd \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf trace, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2. \u0391\u03bd \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03bb\u03ac\u03b8\u03bf\u03c2 range, \u03bb\u03ac\u03b8\u03bf\u03c2 pulse width \u03ae \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf connector, \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03b1\u03c2 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03b4\u03b9\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7.<\/p>\n\n\n\n<p>\u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03ba\u03b1\u03b8\u03b1\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd connector \u03c4\u03bf\u03c5 OTDR \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd connector \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u0388\u03c0\u03b5\u03b9\u03c4\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 launch cable, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf connector. \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 1310 nm \u03ae 1550 nm \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5.<\/p>\n\n\n\n<p>\u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 range \u03bb\u03af\u03b3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u0391\u03bd \u03c4\u03bf range \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03cc, \u03c4\u03bf OTDR \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03cc\u03c8\u03b5\u03b9 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b1\u03bd \u03c4\u03bf range \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ac \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03ac\u03c3\u03b5\u03c4\u03b5 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c3\u03b5 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ac events.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0393\u03b9\u03b1\u03c4\u03af \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af launch cable;<\/h2>\n\n\n\n<p>\u03a4\u03bf launch cable \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03bd \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf connector \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u03a7\u03c9\u03c1\u03af\u03c2 launch cable, \u03b7 dead zone \u03c4\u03bf\u03c5 OTDR \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf connector \u03ba\u03b1\u03b9 \u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03bf\u03bd \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac.<\/p>\n\n\n\n<p>\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03ad\u03bd\u03b1 receive cable \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c3\u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf\u03c5 connector. \u0388\u03c4\u03c3\u03b9, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03bf, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c4\u03bf launch cable \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c0\u03bf\u03bb\u03c5\u03c4\u03ad\u03bb\u03b5\u03b9\u03b1. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR events: reflective \u03ba\u03b1\u03b9 non-reflective \u03c3\u03b7\u03bc\u03b5\u03af\u03b1<\/h2>\n\n\n\n<p>Event \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03c4\u03bf OTDR \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2. \u0397 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03b1\u03c0\u03cc connector, \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7, splitter, \u03ba\u03ac\u03bc\u03c8\u03b7, \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03ae \u03c4\u03ad\u03bb\u03bf\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<p>\u03a4\u03bf OTDR \u03c7\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c4\u03b1 events \u03c3\u03b5 reflective \u03ba\u03b1\u03b9 non-reflective. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03ac\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03bd \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ac\u03b2\u03b5\u03b9 \u03b1\u03bd \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03bf \u03c6\u03c9\u03c2 \u03ae \u03b1\u03bd \u03b1\u03c0\u03bb\u03ce\u03c2 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Event<\/th><th>\u03a0\u03ce\u03c2 \u03c4\u03bf trace \u03c4\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9<\/th><th>\u03a4\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9<\/th><\/tr><\/thead><tbody><tr><td>Connector<\/td><td>\u0391\u03b9\u03c7\u03bc\u03ae \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c0\u03c4\u03ce\u03c3\u03b7<\/td><td>\u03a3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7<\/td><\/tr><tr><td>Fusion splice<\/td><td>\u039c\u03b9\u03ba\u03c1\u03ae \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03b9\u03c7\u03bc\u03ae<\/td><td>\u03a3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7<\/td><\/tr><tr><td>Mechanical splice<\/td><td>\u03a0\u03c4\u03ce\u03c3\u03b7 \u03bc\u03b5 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7<\/td><td>\u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03ad\u03bd\u03c9\u03c3\u03b7 \u03ae adapter<\/td><\/tr><tr><td>Bend<\/td><td>\u03a3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03ae \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7<\/td><td>\u039a\u03ac\u03bc\u03c8\u03b7 \u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5<\/td><\/tr><tr><td>Splitter<\/td><td>\u039c\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7<\/td><td>\u03a6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 PON splitter<\/td><\/tr><tr><td>End of fiber<\/td><td>\u039c\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf\u03c2 \u03bc\u03b5\u03c4\u03ac<\/td><td>\u03a4\u03ad\u03bb\u03bf\u03c2 \u03af\u03bd\u03b1\u03c2 \u03ae \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ac\u03ba\u03c1\u03bf<\/td><\/tr><tr><td>Break<\/td><td>\u0391\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03ad\u03bb\u03bf\u03c2 trace<\/td><td>\u03a3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03ae \u03ba\u03bf\u03bc\u03bc\u03ad\u03bd\u03b7 \u03af\u03bd\u03b1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0391\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03c3\u03c4\u03bf OTDR Trace: \u03c0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 dB<\/h2>\n\n\n\n<p>\u0397 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c3\u03b5 dB \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b9\u03c3\u03c7\u03cd \u03c7\u03ac\u03bd\u03b5\u03b9 \u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03ae \u03c3\u03b5 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03b7 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae. \u038c\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1, \u03c4\u03cc\u03c3\u03bf \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b5\u03be\u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af \u03c4\u03bf \u03c3\u03ae\u03bc\u03b1.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03bd\u03b1 event \u03bc\u03b5 0,05 dB \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03ad\u03bd\u03b1 event \u03bc\u03b5 1,5 dB \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03bd \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 splitter \u03ae \u03ac\u03bb\u03bb\u03bf \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03ba\u03ac\u03b8\u03b5 event \u03bc\u03b5 \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf. \u039c\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7, \u03ad\u03bd\u03b1\u03c2 connector \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 splitter \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03ac \u03cc\u03c1\u03b9\u03b1. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reflectance \u03c3\u03c4\u03bf OTDR Trace: \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9<\/h2>\n\n\n\n<p>\u03a4\u03bf reflectance \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03bf \u03c6\u03c9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c0\u03af\u03c3\u03c9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf OTDR \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf. \u03a3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c4\u03bf \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 connectors, \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2, adapters \u03ba\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ac \u03ac\u03ba\u03c1\u03b1.<\/p>\n\n\n\n<p>\u03a3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c4\u03bf reflectance \u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03c4\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c9\u03c2 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c3\u03b5 dB. \u038c\u03c3\u03bf \u03c0\u03b9\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03b9\u03bc\u03ae, \u03c4\u03cc\u03c3\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5. \u0386\u03c1\u03b1, \u03c4\u03bf -55 dB \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf -35 dB.<\/p>\n\n\n\n<p>\u0388\u03bd\u03b1\u03c2 \u03ba\u03b1\u03ba\u03cc\u03c2 connector \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03c5\u03c8\u03b7\u03bb\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03ad\u03bd\u03b1\u03c2 \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf\u03c2 \u03ae \u03b3\u03c1\u03b1\u03c4\u03b6\u03bf\u03c5\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2 connector \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c5\u03be\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf reflectance \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<ul>\n<li>\u03a0\u03b9\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac.<\/li>\n\n\n\n<li>\u039b\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c6\u03c9\u03c4\u03cc\u03c2.<\/li>\n\n\n\n<li>\u03a5\u03c8\u03b7\u03bb\u03cc reflectance \u03c3\u03b5 connector \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf.<\/li>\n\n\n\n<li>\u0391\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ac\u03ba\u03c1\u03bf \u03c3\u03c5\u03c7\u03bd\u03ac \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Reflectance \u03ba\u03b1\u03b9 insertion loss: \u03c0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac;<\/h2>\n\n\n\n<p>\u03a4\u03bf insertion loss \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b9\u03c3\u03c7\u03cd \u03c7\u03ac\u03bd\u03b5\u03b9 \u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03c3\u03ae\u03bc\u03b1 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03c4\u03bf reflectance \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b9\u03c3\u03c7\u03cd \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03af\u03c3\u03c9.<\/p>\n\n\n\n<p>\u0388\u03bd\u03b1\u03c2 connector \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b1\u03bb\u03bb\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7. \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03bc\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7. \u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03bf\u03b9\u03c4\u03ac\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c4\u03b9\u03bc\u03ad\u03c2.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u039c\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7<\/th><th>\u03a4\u03b9 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9<\/th><th>\u03a0\u03bf\u03cd \u03bc\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac<\/th><\/tr><\/thead><tbody><tr><td>Insertion loss<\/td><td>\u0391\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/td><td>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 connectors, splices \u03ba\u03b1\u03b9 link budget<\/td><\/tr><tr><td>Reflectance<\/td><td>\u0395\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae<\/td><td>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 connectors, adapters \u03ba\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ce\u03bd \u03ac\u03ba\u03c1\u03c9\u03bd<\/td><\/tr><tr><td>ORL<\/td><td>\u03a3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c3\u03c4\u03bf link<\/td><td>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace: connector \u03ae fusion splice;<\/h2>\n\n\n\n<p>\u0388\u03bd\u03b1\u03c2 connector \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7. \u03a3\u03c4\u03bf trace \u03c4\u03bf trace \u03c4\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c3\u03b1\u03bd \u03b1\u03b9\u03c7\u03bc\u03ae \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c3\u03b1\u03bd \u03c0\u03c4\u03ce\u03c3\u03b7. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bc\u03b9\u03b1 \u03c3\u03c9\u03c3\u03c4\u03ae fusion splice \u03c4\u03bf trace \u03c4\u03b7 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c3\u03b1\u03bd \u03bc\u03b9\u03ba\u03c1\u03ae \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03b9\u03c7\u03bc\u03ae.<\/p>\n\n\n\n<p>\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03cc\u03c4\u03b1\u03bd \u03b2\u03bb\u03ad\u03c0\u03b5\u03c4\u03b5 reflective event, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03b1\u03bd \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 connector, adapter \u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03ad\u03bd\u03c9\u03c3\u03b7. \u0391\u03bd \u03b2\u03bb\u03ad\u03c0\u03b5\u03c4\u03b5 non-reflective event, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03b1\u03bd \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7 \u03ae \u03ba\u03ac\u03bc\u03c8\u03b7.<\/p>\n\n\n\n<p>\u0391\u03bd \u03c4\u03bf trace \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 fusion splice, \u03b1\u03bd\u03bf\u03af\u03be\u03c4\u03b5 \u03c4\u03bf \u03ba\u03bf\u03c5\u03c4\u03af \u03ba\u03b1\u03b9 \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c3\u03ad\u03c4\u03b1. \u039c\u03b9\u03b1 \u03ba\u03b1\u03ba\u03ae \u03ba\u03bf\u03c0\u03ae, \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03b7 \u03af\u03bd\u03b1 \u03ae \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf sleeve \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u039a\u03bb\u03af\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03c3\u03b8\u03ad\u03bd\u03b7\u03c3\u03b7 \u03c3\u03c4\u03bf OTDR Trace<\/h2>\n\n\n\n<p>\u0397 \u03ba\u03bb\u03af\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03b8\u03ad\u03bd\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03c3\u03b5 dB\/km. \u03a3\u03b5 \u03bc\u03b9\u03b1 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ae \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae, \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03bf\u03bc\u03b1\u03bb\u03ac. \u0391\u03bd \u03b7 \u03ba\u03bb\u03af\u03c3\u03b7 \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b1, \u03c4\u03cc\u03c4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03ac\u03bc\u03c8\u03b7, \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03c4\u03bc\u03ae\u03bc\u03b1 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5 \u03ae \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c3\u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae.<\/p>\n\n\n\n<p>\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b7 \u03b5\u03be\u03b1\u03c3\u03b8\u03ad\u03bd\u03b7\u03c3\u03b7 \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2. \u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b1 1310 nm \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b1 1550 nm. \u03a3\u03c5\u03c7\u03bd\u03ac, \u03bf\u03b9 \u03ba\u03ac\u03bc\u03c8\u03b5\u03b9\u03c2 \u03c4\u03bf OTDR \u03c4\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03ad\u03bd\u03c4\u03bf\u03bd\u03b1 \u03c3\u03c4\u03b1 1550 nm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace \u03ba\u03b1\u03b9 \u03ba\u03ac\u03bc\u03c8\u03b7 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03af\u03bd\u03b1\u03c2<\/h2>\n\n\n\n<p>\u039c\u03b9\u03b1 \u03ba\u03ac\u03bc\u03c8\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03c3\u03b1\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7. \u0391\u03bd \u03c4\u03bf event \u03c4\u03bf trace \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 non-reflective event \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03c4\u03cc\u03c4\u03b5 \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b3\u03b9\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7 \u03ae \u03c4\u03c3\u03ac\u03ba\u03b9\u03c3\u03bc\u03b1.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03af\u03c9\u03c3\u03b7, \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03b4\u03cd\u03bf \u03bc\u03ae\u03ba\u03b7 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2. \u0391\u03bd \u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c3\u03c4\u03b1 1550 nm, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03ad\u03bd\u03b4\u03b5\u03b9\u03be\u03b7 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ba\u03ac\u03bc\u03c8\u03b7. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace: \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03ae \u03c4\u03ad\u03bb\u03bf\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03af\u03bd\u03b1\u03c2;<\/h2>\n\n\n\n<p>\u03a4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b4\u03af\u03bd\u03b5\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf. \u0391\u03bd \u03b7 \u03af\u03bd\u03b1 \u03c4\u03b5\u03bb\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf event \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b1\u03bd \u03c4\u03bf OTDR \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03ad\u03bb\u03bf\u03c2 \u03bd\u03c9\u03c1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2, \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf, \u03b1\u03c0\u03bf\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03ae \u03bb\u03ac\u03b8\u03bf\u03c2 \u03af\u03bd\u03b1. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7, \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 OTDR \u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf.<\/p>\n\n\n\n<p>\u0391\u03bd \u03c4\u03bf event \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7 \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf trace \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b1, \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03bf \u03ae \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03ba\u03cc\u03b2\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dead zones \u03c3\u03c4\u03bf OTDR Trace<\/h2>\n\n\n\n<p>Dead zone \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03ad\u03bd\u03c4\u03bf\u03bd\u03bf event \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf OTDR \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03be\u03b5\u03c7\u03c9\u03c1\u03af\u03c3\u03b5\u03b9 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ac \u03ad\u03bd\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03cc event. \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b1\u03bd\u03b1\u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<p>\u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03cd\u03bf \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2: event dead zone \u03ba\u03b1\u03b9 attenuation dead zone. \u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ce\u03bd events. \u0397 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf pulse width \u03cc\u03c4\u03b1\u03bd \u03bc\u03b5\u03c4\u03c1\u03ac\u03c4\u03b5 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ac events. \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 launch cable \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b1\u03c1\u03bf\u03cd\u03c2 connectors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pulse width \u03ba\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 OTDR Trace<\/h2>\n\n\n\n<p>\u03a4\u03bf pulse width \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03cc \u03b5\u03cd\u03c1\u03bf\u03c2. \u039c\u03b9\u03ba\u03c1\u03cc pulse \u03b4\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c3\u03b5 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ac events. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf pulse \u03b2\u03bf\u03b7\u03b8\u03ac \u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03b1\u03bb\u03bb\u03ac \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03c1\u03cd\u03c8\u03b5\u03b9 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ac \u03c3\u03b7\u03bc\u03b5\u03af\u03b1.<\/p>\n\n\n\n<p>\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03b9 pulse width \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u03a3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 FTTH, \u03ad\u03bd\u03b1 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf pulse \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03ba\u03b1\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7. \u03a3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ad\u03c2, \u03ad\u03bd\u03b1 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03cc pulse \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b4\u03ce\u03c3\u03b5\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ae \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OTDR Trace \u03c3\u03b5 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 PON \u03ba\u03b1\u03b9 FTTH<\/h2>\n\n\n\n<p>\u03a4\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 PON \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd splitters, \u03ac\u03c1\u03b1 \u03c4\u03bf trace \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2, \u03b1\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf\u03cd\u03bd \u03c3\u03b5 splitter 1:2, 1:4, 1:8, 1:16 \u03ae \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf.<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf splitter loss. \u0391\u03bd \u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03be\u03b5\u03c0\u03b5\u03c1\u03bd\u03ac \u03c0\u03bf\u03bb\u03cd \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c4\u03b9\u03bc\u03ae, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 connectors, adapters \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd pigtails \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf splitter.<\/p>\n\n\n\n<p>\u03a3\u03b5 PON \u03b4\u03af\u03ba\u03c4\u03c5\u03b1, \u03c4\u03bf OTDR \u03bc\u03b5 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 PON testing \u03b2\u03bf\u03b7\u03b8\u03ac \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf. \u0388\u03bd\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf <a href=\"https:\/\/arctos.gr\/en\/product\/otdr-optikon-inon-grandway-fho5000-t43f\/\">Grandway FHO5000-T43F OTDR<\/a> \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7, \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 troubleshooting \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03bd FTTx.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7\u03c2 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1\u03c2 OTDR Trace<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u0388\u03bd\u03b4\u03b5\u03b9\u03be\u03b7 \u03c3\u03c4\u03bf trace<\/th><th>\u03a0\u03b9\u03b8\u03b1\u03bd\u03ae \u03b1\u03b9\u03c4\u03af\u03b1<\/th><th>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03bc\u03b5<\/th><\/tr><\/thead><tbody><tr><td>\u0391\u03b9\u03c7\u03bc\u03ae \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9<\/td><td>Connector \u03ae \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ac\u03ba\u03c1\u03bf<\/td><td>\u039a\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2, \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae, reflectance<\/td><\/tr><tr><td>\u039c\u03b9\u03ba\u03c1\u03ae \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03b9\u03c7\u03bc\u03ae<\/td><td>Fusion splice<\/td><td>\u0391\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 splice \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c3\u03ad\u03c4\u03b1<\/td><\/tr><tr><td>\u039c\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03b9\u03c7\u03bc\u03ae<\/td><td>\u039a\u03ac\u03bc\u03c8\u03b7 \u03ae splitter<\/td><td>\u0394\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae, splitter, \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2<\/td><\/tr><tr><td>Trace \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac \u03bd\u03c9\u03c1\u03af\u03c2<\/td><td>\u03a3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03ae \u03bb\u03ac\u03b8\u03bf\u03c2 \u03af\u03bd\u03b1<\/td><td>\u0391\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2<\/td><\/tr><tr><td>\u03a0\u03bf\u03bb\u03bb\u03ac \u03bc\u03b9\u03ba\u03c1\u03ac events \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae<\/td><td>\u039a\u03b1\u03ba\u03ae \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03ae dead zone<\/td><td>Launch cable \u03ba\u03b1\u03b9 connectors<\/td><\/tr><tr><td>\u03a5\u03c8\u03b7\u03bb\u03cc reflectance<\/td><td>\u0392\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf\u03c2 \u03ae \u03ba\u03b1\u03ba\u03cc\u03c2 connector<\/td><td>Inspection \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a3\u03c5\u03c7\u03bd\u03ac \u03bb\u03ac\u03b8\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7 OTDR Trace<\/h2>\n\n\n\n<ul>\n<li>\u039f \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 events \u03ba\u03b1\u03b9 \u03b1\u03b3\u03bd\u03bf\u03b5\u03af \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7.<\/li>\n\n\n\n<li>\u0394\u03b5\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af launch cable.<\/li>\n\n\n\n<li>\u039c\u03b5\u03c4\u03c1\u03ac \u03bc\u03b5 \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf connector.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf pulse width \u03b3\u03b9\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 range.<\/li>\n\n\n\n<li>\u0394\u03b5\u03bd \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5.<\/li>\n\n\n\n<li>\u0398\u03b5\u03c9\u03c1\u03b5\u03af \u03ba\u03ac\u03b8\u03b5 non-reflective event \u03c9\u03c2 \u03ba\u03b1\u03ba\u03ae \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7.<\/li>\n\n\n\n<li>\u0391\u03b3\u03bd\u03bf\u03b5\u03af \u03c4\u03bf reflectance \u03c3\u03c4\u03bf\u03c5\u03c2 connectors.<\/li>\n\n\n\n<li>\u0394\u03b5\u03bd \u03bc\u03b5\u03c4\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03cc\u03c4\u03b1\u03bd \u03b7 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7.<\/li>\n\n\n\n<li>\u0394\u03b5\u03bd \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03bc\u03b5 Power Meter \u03ae \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03cc\u03c4\u03b5 \u03bc\u03b5\u03c4\u03c1\u03ac\u03bc\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2;<\/h2>\n\n\n\n<p>\u0397 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03cc\u03c4\u03b1\u03bd \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c3\u03b5 splice \u03ae connector. \u03a4\u03bf OTDR \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03bf\u03b9 \u03af\u03bd\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03bf\u03c0\u03b9\u03c3\u03b8\u03bf\u03c3\u03ba\u03ad\u03b4\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03ad\u03c1\u03b3\u03b1 \u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u0391 \u03c0\u03c1\u03bf\u03c2 \u0392 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u0392 \u03c0\u03c1\u03bf\u03c2 \u0391. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b9\u03bf \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03ce\u03c2 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 OTDR \u03ba\u03b1\u03b9 Power Meter;<\/h2>\n\n\n\n<p>\u03a4\u03bf OTDR \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2. \u03a4\u03bf Power Meter \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b9\u03c3\u03c7\u03cd\u03c2 \u03c6\u03c4\u03ac\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c4\u03b1 \u03b4\u03cd\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf \u03ad\u03bd\u03b1 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf.<\/p>\n\n\n\n<p>\u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 Power Meter \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03b1\u03bd \u03c4\u03bf link \u03c0\u03b5\u03c1\u03bd\u03ac \u03c4\u03bf power budget. \u0388\u03c0\u03b5\u03b9\u03c4\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 OTDR \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2. \u039c\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac, \u03b8\u03b1 \u03ba\u03ac\u03bd\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03bf \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03cc troubleshooting.<\/p>\n\n\n\n<p>\u03a3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 <a href=\"https:\/\/arctos.gr\/en\/product-category\/fiber-optic-control-instruments\/\">Optical Fiber Check Tools<\/a> \u03b8\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 OTDR, Power Meters, \u03c0\u03b7\u03b3\u03ad\u03c2 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ba\u03b1\u03b9 PON testers \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2 OTDR Trace \u03b2\u03ae\u03bc\u03b1-\u03b2\u03ae\u03bc\u03b1<\/h2>\n\n\n\n<p>\u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 OTDR trace \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03bc\u03ae\u03ba\u03bf\u03c2 420 \u03bc\u03ad\u03c4\u03c1\u03b1. \u03a3\u03c4\u03b1 12 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 reflective event, \u03c3\u03c4\u03b1 180 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03c4\u03ce\u03c3\u03b7 0,08 dB \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 390 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7.<\/p>\n\n\n\n<p>\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf event \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03bd \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd connector \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03ae\u03c2. \u0397 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c3\u03c4\u03b1 180 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ba\u03b1\u03bb\u03ae fusion splice. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c3\u03c4\u03b1 390 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf.<\/p>\n\n\n\n<p>\u039f \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03c3\u03c4\u03b1 390 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03ba\u03ac\u03bc\u03c8\u03b7 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ba\u03bf\u03c5\u03c4\u03af. \u0391\u03c6\u03bf\u03cd \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 \u03ba\u03ac\u03bc\u03c8\u03b7\u03c2, \u03bc\u03b5\u03c4\u03c1\u03ac \u03be\u03b1\u03bd\u03ac. \u0391\u03bd \u03c4\u03bf event \u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af, \u03c4\u03cc\u03c4\u03b5 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c0\u03c1\u03bf\u03b5\u03c1\u03c7\u03cc\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03bf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Checklist \u03c0\u03c1\u03b9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b4\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7<\/h2>\n\n\n\n<ul>\n<li>\u039a\u03b1\u03b8\u03b1\u03c1\u03af\u03c3\u03c4\u03b5 \u03cc\u03bb\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 connectors \u03c0\u03c1\u03b9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7.<\/li>\n\n\n\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 launch cable.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03cc range \u03ba\u03b1\u03b9 pulse width.<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 events.<\/li>\n\n\n\n<li>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 loss, reflectance \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2.<\/li>\n\n\n\n<li>\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b1 events \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5.<\/li>\n\n\n\n<li>\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c4\u03bf \u03ad\u03c1\u03b3\u03bf.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03bc\u03b5 Power Meter.<\/li>\n\n\n\n<li>\u0391\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03c3\u03c4\u03b5 \u03c4\u03bf trace \u03ba\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0395\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03bf\u03af \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03bf\u03af \u03bf\u03b4\u03b7\u03b3\u03bf\u03af \u03b3\u03b9\u03b1 OTDR Trace<\/h2>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03b2\u03b1\u03b8\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7, \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03b5\u03c5\u03c4\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf\u03bd <a href=\"https:\/\/www.exfo.com\/contentassets\/88609c3d71234effa403a21f8fae02fe\/exfo_brochure_how-read-otdr-trace_en_v5.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u03bf\u03b4\u03b7\u03b3\u03cc \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2 OTDR trace \u03c4\u03b7\u03c2 EXFO<\/a>. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b7 <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/testing\/OTDR\/OTDR.html\" target=\"_blank\" rel=\"noreferrer noopener\">Fiber Optic Association<\/a> \u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ac \u03c4\u03b1 reflective events, \u03c4\u03b1 splices \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03b1\u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 OTDR trace.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>The <strong>OTDR trace<\/strong> \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b4\u03b9\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03bd\u03ce\u03bd. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 events, \u03c4\u03b9\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2, \u03c4\u03bf reflectance, \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2.<\/p>\n\n\n\n<p>\u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b1\u03c0\u03cc \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03c4\u03b5 \u03ba\u03ac\u03b8\u03b5 event. \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf loss budget.<\/p>\n\n\n\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03bc\u03b7\u03bd \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c3\u03c4\u03b5 \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03b7\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b3\u03ac\u03bd\u03bf\u03c5. \u03a3\u03c5\u03bd\u03b4\u03c5\u03ac\u03c3\u03c4\u03b5 OTDR, Power Meter, \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc connectors \u03ba\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf. \u039c\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf, \u03b8\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c4\u03b9\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a4\u03b9 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 OTDR Trace;<\/h3>\n\n\n\n<p>\u0388\u03bd\u03b1 OTDR trace \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03af\u03bd\u03b1\u03c2 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7. \u039f \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 connectors, \u03c3\u03c5\u03b3\u03ba\u03bf\u03bb\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2, \u03ba\u03ac\u03bc\u03c8\u03b5\u03b9\u03c2, splitters, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c4\u03ad\u03bb\u03bf\u03c2 \u03ae \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 event \u03c3\u03c4\u03bf OTDR;<\/h3>\n\n\n\n<p>Event \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf OTDR \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03c2 \u03af\u03bd\u03b1\u03c2. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 connector, splice, \u03ba\u03ac\u03bc\u03c8\u03b7, splitter, \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf \u03ae \u03c4\u03ad\u03bb\u03bf\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 reflectance \u03c3\u03c4\u03bf OTDR;<\/h3>\n\n\n\n<p>\u03a4\u03bf reflectance \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03bf \u03c6\u03c9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf OTDR \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 event. \u03a0\u03b9\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a0\u03ce\u03c2 \u03be\u03b5\u03c7\u03c9\u03c1\u03af\u03b6\u03c9 connector \u03b1\u03c0\u03cc splice \u03c3\u03c4\u03bf trace;<\/h3>\n\n\n\n<p>\u039f connector \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03af\u03bd\u03b5\u03b9 \u03b1\u03b9\u03c7\u03bc\u03ae \u03bb\u03cc\u03b3\u03c9 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7\u03c2. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bc\u03b9\u03b1 fusion splice \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c0\u03c4\u03ce\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b1\u03b9\u03c7\u03bc\u03ae.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0393\u03b9\u03b1\u03c4\u03af \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af launch cable \u03c3\u03c4\u03bf OTDR;<\/h3>\n\n\n\n<p>\u03a4\u03bf launch cable \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf OTDR \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf connector \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2. \u03a7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c5\u03c4\u03cc, \u03bf \u03c0\u03c1\u03ce\u03c4\u03bf\u03c2 connector \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03c1\u03c5\u03c6\u03c4\u03b5\u03af \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7 dead zone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a0\u03cc\u03c4\u03b5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2;<\/h3>\n\n\n\n<p>\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u03cc\u03c4\u03b1\u03bd \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c3\u03b5 splice \u03ae connector. \u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03c9\u03bd \u03b4\u03af\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03c4\u03bf OTDR \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf Power Meter;<\/h3>\n\n\n\n<p>\u038c\u03c7\u03b9 \u03c0\u03bb\u03ae\u03c1\u03c9\u03c2. \u03a4\u03bf OTDR \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 events, \u03b5\u03bd\u03ce \u03c4\u03bf Power Meter \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b9\u03c3\u03c7\u03cd \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 link. \u0393\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":null,"protected":false},"author":1,"featured_media":4129,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,193],"tags":[204,200,202,194,198,174,203,201,199,195,196,197,205],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OTDR Trace: Events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 reflectance \u2013 \u03a0\u03bb\u03ae\u03c1\u03b7\u03c2 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 ARCTOS<\/title>\n<meta name=\"description\" content=\"\u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 OTDR Trace; \u039c\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03bf\u03c5\u03bd events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2, reflectance, dead zones \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03af\u03bd\u03b5\u03c2.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/arctos.gr\/en\/pos-diavazoume-otdr-trace-events-apoleies-reflectance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OTDR Trace: Events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 reflectance \u2013 \u03a0\u03bb\u03ae\u03c1\u03b7\u03c2 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 ARCTOS\" \/>\n<meta property=\"og:description\" content=\"\u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 OTDR Trace; \u039c\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03bf\u03c5\u03bd events, \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2, reflectance, dead zones \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03af\u03bd\u03b5\u03c2.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/arctos.gr\/en\/pos-diavazoume-otdr-trace-events-apoleies-reflectance\/\" \/>\n<meta property=\"og:site_name\" content=\"ARCTOS\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-07T16:38:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-07T16:38:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/arctos.gr\/wp-content\/uploads\/2026\/07\/otdr-trace-events-apoleies-reflectance-arctos.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1672\" \/>\n\t<meta property=\"og:image:height\" content=\"941\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 minutes\" \/>\n<script type=\"application\/ld+json\" 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