StarTech.com Juniper SFP-GE10KT15R13 Compatible SFP Module, 1000BASE-BX-D, 1 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP, LC 10km, Mini GBIC Transceiver SFP, Downstream

Lifetime Warranty (SFPGE10KT5R3) - SFP (mini-GBIC) transceiver module (equivalent to: Juniper SFPP-10GE-LR) - GigE - 1000Base-BX10-D - LC single-mode - up to 10 km - 1310 (TX) / 1550 (RX) nm