GLCLHSMD10ST - StarTech.com Cisco GLC-LH-SMD Compatible SFP Module, 1000BASE-LX/LH, 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 1GE Gigabit Ethernet, LC Connector, 10km 1310nm, Firepower, ASR920

Lifetime Warranty (GLCLHSMD10ST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco GLC-LH-SMD) - 1GbE - 1000Base-LX, 1000Base-LH - LC - up to 10 km - 1310 nm (pack of 10)