{"product_id":"viavi-4100-mod-c-otdr-13101550filtered-1650nm-b-mod-otdr","title":"Viavi 4100 Mod C OTDR 1310\/1550\/Filtered 1650nm B Mod OTDR","description":"\u003cp\u003e\u003cstrong\u003eViavi 4100 Mod C OTDR Module – 1310\/1550\/Filtered 1650nm (46\/45\/43dB) Dynamic Range, APC\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eViavi E4138FC65APC\u003c\/strong\u003e is a high-performance \u003cstrong\u003e4100 Series Mod C OTDR Module\u003c\/strong\u003e designed for advanced fiber optic network testing and troubleshooting across \u003cstrong\u003eaccess, metro, and FTTx networks\u003c\/strong\u003e. Featuring \u003cstrong\u003ethree wavelengths (1310, 1550, and filtered 1650 nm)\u003c\/strong\u003e with impressive dynamic ranges of \u003cstrong\u003e46\/45\/43 dB\u003c\/strong\u003e, this OTDR module is ideal for detecting events over long distances and through complex network environments.\u003c\/p\u003e\n\u003cp\u003eThe inclusion of a \u003cstrong\u003efiltered 1650nm live fiber testing port\u003c\/strong\u003e enables technicians to perform \u003cstrong\u003ein-service troubleshooting\u003c\/strong\u003e without disrupting traffic—a critical advantage in modern fiber network maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTri-wavelength OTDR: \u003cstrong\u003e1310\/1550\/1650 nm (filtered for live fiber testing)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e 46 dB (1310nm), 45 dB (1550nm), 43 dB (1650nm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with \u003cstrong\u003eViavi T-BERD\/MTS-2000, 4000, and 5800 platforms\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFiltered 1650nm\u003c\/strong\u003e enables safe \u003cstrong\u003elive fiber monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-resolution fault localization\u003c\/strong\u003e across long-haul and access networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAPC connector interface\u003c\/strong\u003e minimizes reflection for accurate measurements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTier-2 OTDR testing for access and metro networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLive fiber troubleshooting\u003c\/strong\u003e with filtered 1650 nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong-range backhaul and fiber link validation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFTTx\/PON fault localization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoutine fiber certification and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWavelengths:\u003c\/strong\u003e 1310 \/ 1550 \/ 1650 nm (filtered)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Range (typical):\u003c\/strong\u003e 46\/45\/43 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEvent Dead Zone:\u003c\/strong\u003e As low as ~0.5 m (platform dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAttenuation Dead Zone:\u003c\/strong\u003e ~2–3 m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Interface:\u003c\/strong\u003e APC (Angled Physical Contact)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Platforms:\u003c\/strong\u003e Viavi T-BERD\/MTS-4000, 5800, and others\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLive Fiber Safe:\u003c\/strong\u003e Yes, with filtered 1650nm port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e E4138FC65APC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e OTDR (Mod C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWavelengths:\u003c\/strong\u003e 1310\/1550\/Filtered 1650nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e 46\/45\/43 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface:\u003c\/strong\u003e APC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083411562752,"sku":"E4138FC65APC","price":30591.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l960_2.png?v=1785198894","url":"https:\/\/alotechparts.com\/products\/viavi-4100-mod-c-otdr-13101550filtered-1650nm-b-mod-otdr","provider":"Alo Tech Solutions","version":"1.0","type":"link"}