{"product_id":"sfp-bidi-transceiver-1-25g-10-20km-for-allied-at-spbd10-series","title":"SFP BIDI Transceiver 1.25G 10-20km for Allied AT-SPBD10 Series","description":"\u003cp\u003eIn this review we look at the Jeirdus SFP module designed as a direct replacement for Allied AT-SPBD10-13 and AT-SPBD10-14. The bottom line: network engineers and IT teams who need a reliable, carrier-class bidirectional SFP for singlefiber links will appreciate its compatibility and tested performance. Our review found the module is straightforward to deploy, supports 1000BASE-BX-U and 1000BASE-BX-D operation, and delivers up to 20km reach over a single LC simplex connector, making it a practical, lower-cost alternative to vendor originals.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Built to work with Allied AT-SPBD10-13 and AT-SPBD10-14 modules so replacements can be swapped without reconfiguring switch optics.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBidirectional 1.25Gb\/s:\u003c\/strong\u003e Supports 1000BASE-BX-U and 1000BASE-BX-D standards to carry gigabit traffic over a single fiber using WDM.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSingle LC Simplex:\u003c\/strong\u003e Uses a single LC connector and WDM wavelengths for easier cable management and reduced fiber count in long runs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUp to 20km reach:\u003c\/strong\u003e Rated for links to 20km, covering most campus and metro edge connections without intermediate repeaters.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVendor coding tested:\u003c\/strong\u003e Jeirdus compatibility lab verifies coding for multiple brands, including Cisco, reducing interoperability surprises.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality and support:\u003c\/strong\u003e Constructed from 100% new materials and shipped after individual testing, with CE and FCC compliance plus a 3 year replacement and lifetime warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis module is aimed at network administrators, system integrators, and small to medium IT departments that need a cost-effective replacement for Allied AT-SPBD10 series optics or require additional spare modules for field deployments. Its support for 1.25Gb\/s bidirectional operation and single LC makes it a sensible choice for point-to-point fiber links, campus backbones, and branch interconnects.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include teams that require multimode optics, different form factors, or transmission beyond 20km, and environments that mandate specific vendor-signed optics for strict procurement rules.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eProven compatibility with Allied AT-SPBD10-13 and AT-SPBD10-14 for drop-in replacement.\u003c\/li\u003e\n \u003cli\u003eSupports standard 1000BASE-BX-U and 1000BASE-BX-D bidirectional protocols for single-fiber links.\u003c\/li\u003e\n \u003cli\u003eIndividually tested and backed by CE, FCC compliance and a 3 year replacement plus lifetime warranty.\u003c\/li\u003e\n \u003cli\u003eCompact single LC simplex connector reduces fiber cabling complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eLimited to single-fiber WDM and up to 20km, so it is not suitable for longer-haul or multimode runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eSFP (1.25Gb\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eAllied AT-SPBD10-13 and AT-SPBD10-14\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003e1000BASE-BX-U and 1000BASE-BX-D\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eSingle LC simplex\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eUp: TX1310nm \/ RX1490nm; Down: TX1490nm \/ RX1310nm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003eUp to 20km\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Jeirdus SFP BIDI transceiver is a pragmatic, cost-conscious replacement for Allied AT-SPBD10 series modules, offering tested compatibility, single-fiber convenience, and carrier-class build quality. For networking teams needing reliable 1.25Gb\/s bidirectional links up to 20km, it represents good value given the individual testing and warranty support, but it is not intended for longer-haul or multimode scenarios.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this module work in Cisco switches?\u003c\/strong\u003e\u003cbr\u003eYes. Jeirdus states the module is compatible with Cisco and other brands after compatibility lab testing and coding verification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connector and wavelengths does it use?\u003c\/strong\u003e\u003cbr\u003eThe transceiver uses a single LC simplex connector and WDM wavelengths: TX1310nm\/RX1490nm for one direction and TX1490nm\/RX1310nm for the opposite.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the warranty?\u003c\/strong\u003e\u003cbr\u003eJeirdus provides a 3 year replacement policy plus a lifetime warranty on materials and build quality.\u003c\/p\u003e","brand":"Jeirdus","offers":[{"title":"Default Title","offer_id":48632229953755,"sku":"B07D5FDW4S","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51VG_GzE6bL._AC_07acc6cd-2610-4d65-b158-03220a93abdb.jpg?v=1778438087","url":"https:\/\/gearmusthave.com\/products\/sfp-bidi-transceiver-1-25g-10-20km-for-allied-at-spbd10-series","provider":"GearMustHave","version":"1.0","type":"link"}