10 Gbps | Single Mode Fiber | LC | 20 km (12.4 mi) | Lifetime WarrantyThe SFP-10G-BX-D-20-ST is a Cisco SFP-10G-BX-D-20 compatible downstream fiber SFP+ transceiver which pairs with StarTech.com's SFP-10G-BX-U-20-ST. They are designed programmed and tested to work with 10GBase-BX compatible Cisco switches and routers. The SFP+ transceiver module supports a maximum distance of up to 20 km (12.4 mi) and delivers dependable 10 GbEconnectivity over fiber cabling.Technical Specifications:Wavelength: 1330nmTx/1270nmRxMaximum Data Transfer Rate: 10GbpsType: Single Mode FiberConnection Type: LC ConnectorMaximum Transfer Distance: 20 km (12.4 mi)Power Consumption: Low power consumptionDDM: YesThis SFP+ fiber module is hot-swappable making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables providing the convenience and reliability you need to ensure dependable network performance.The StarTech.com Advantage- 100% CISCO SFP-10G-BX-D-20 COMPATIBLE: 10 Gigabit Ethernet BiDi Fiber Single Strand SFP+ works with Cisco switches like ASR9000 ASR1000 NCS5500 C3850 NCS540 and others- INCREASE BANDWIDTH ON EXISTING INFRASTRUCTURE: This 10 Gigabit Ethernet bi-directional WDM SFP+ transceiver module sends and receives over a single strand of fiber optic cable instead of two- TECHNICAL SPECS: 10GBASE-BX