{"product_id":"4-channel-3g-sdi-bidirectional-cascading-fiber-extender","title":"4-Channel 3G-SDI Bidirectional Cascading Fiber Extender","description":"\u003cp\u003e\u003cb\u003eOverview\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis unit transmits and receives 4-channel SDI signals bi-directionally over a single fiber pair using CWDM technology (1270–1610nm). Each color-coded unit converts signals to a unique wavelength, allowing multiple color units to be daisy-chained for simplified signal aggregation and long-distance transport.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBidirectional SDI Transmission:\u003c\/b\u003e Supports 4x SDI Inputs and 4x SDI Outputs simultaneously per unit over point-to-point connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCWDM Daisy-Chaining:\u003c\/b\u003e Utilizes Coarse Wavelength Division Multiplexing to multiplex multiple signals onto a single duplex fiber core setup via \"Cascade\" and \"Peers\" ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal Color Mixing:\u003c\/b\u003e Mix and match any color-coded models in a single cascade chain, provided each unit in the chain uses a distinct wavelength\/color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong Distance Coverage:\u003c\/b\u003e Extends signals up to 10 km end-to-end across a cascade, with standalone 3G-SDI links capable of reaching over 40 km depending on fiber and connector quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilt-in Reclocking:\u003c\/b\u003e Equalized BNC ports feature multi-rate reclocking for signal integrity across various standard rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRedundancy Compatible:\u003c\/b\u003e Works with external Optical Changeover Switches (OCS) on both ends to provide seamless protection against primary fiber failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSDI Interfaces\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4x BNC Inputs, 4x BNC Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSDI Standards\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSMPTE 259M, 292M, 372M, 424M, DVB-ASI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eData Rates\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMultirate reclocking from 270 Mbps to 3 Gbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFiber Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2x Duplex LC-LC Single Mode (CASCADE, PEERS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOptical Wavelengths\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCWDM (1270 nm – 1610 nm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTransmission Distance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 10 km (cascade chain limit) \/ 40+ km (point-to-point 3G-SDI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePower Supply\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC 5V – 12V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePower Consumption\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDimensions (W x D x H)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e223 mm x 277 mm x 44 mm (8.8” x 10.9” x 1.7”)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.4 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eEnclosure Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eColor-coded chassis (Black, Red, Silver, Blue, Green, etc.)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConnection Guide \u0026amp; Topology\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePoint-to-Point Link:\u003c\/b\u003e Connect the \u003cb\u003ePEERS\u003c\/b\u003e fiber port of Unit A to the \u003cb\u003ePEERS\u003c\/b\u003e fiber port of Unit B across the main fiber trunk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCascading Multiple Units:\u003c\/b\u003e Connect the \u003cb\u003eCASCADE\u003c\/b\u003e port of the first unit to the \u003cb\u003ePEERS\u003c\/b\u003e port of the next adjacent color unit in the chain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor Order:\u003c\/b\u003e You do not need to follow a strict color sequence when connecting units. The diagram printed on top of the device provides visual layout guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-Channel 3G-SDI Bidirectional Fiber Extender Unit (1 x Tx + 1 x Rx)\u003c\/li\u003e\n\u003cli\u003eDC Power Adapter (5–12V)\u003c\/li\u003e\n\u003cli\u003e1x Quick Start Guide \/ Connection Diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Diagram:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/connection_in_cascade2_1024x1024.jpg?v=1787824101\" style=\"margin-bottom: 12px; float: none;\"\u003e\u003c\/div\u003e","brand":"Transwan","offers":[{"title":"1 Grade (1 x 4 Ch Bidi\u003c--\u003e1 x 4 Ch Bidi)","offer_id":43253874950206,"sku":null,"price":3900.0,"currency_code":"USD","in_stock":true},{"title":"2 Grades (2 x 4 Ch Bidi\u003c--\u003e2 x 4 Ch Bidi)","offer_id":43253874982974,"sku":null,"price":7800.0,"currency_code":"USD","in_stock":true},{"title":"3 Grades (3 x 4 Ch Bidi\u003c--\u003e3 x 4 Ch Bidi)","offer_id":43253875015742,"sku":null,"price":11700.0,"currency_code":"USD","in_stock":true},{"title":"4 Grades (4 x 4 Ch Bidi\u003c--\u003e4 x 4 Ch Bidi)","offer_id":43253875048510,"sku":null,"price":15600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/BY-SDICascade-4CH2Way-Black.jpg?v=1787753533","url":"https:\/\/www.transwan.com.cn\/ja\/products\/4-channel-3g-sdi-bidirectional-cascading-fiber-extender","provider":"Transwan","version":"1.0","type":"link"}