StarTech.com Cisco SFP-10G-BX-D-60 Compatible SFP+ Module, 10GBASE-BX, 10 Gigabit Ethernet Bi-Directional BiDi Fiber Single Strand SFP+, LC 60km, Cisco ASR9000ASR1000, NCS5500, Downstream - Lifetime Warranty (SFP-10G-BX-D-60-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco SFP-10G-BX-D-60) - 10GbE - 10GBase-BX-D - LC single-mode - up to 60 km - 1330 (TX) / 1270 (RX) nm