StarTech.com Cisco GLC-LH-SMD Compatible SFP Module 1000BASE-LH 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver 1GE Gigabit Ethernet SFP LC 20km, 1310nm, DDM, Cisco Firepower, IE2000

Lifetime Warranty (SFPG1320C) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LH - LC single-mode - up to 20 km - 1310 nm - for P/N: ET91000LCOAM, IES101002SFP, IES101G2SFPW, IES101GP2SFW, MCM1110SFP, PEX1000SFP2