StarTech.com Cisco GLC-LH-SM Compatible SFP Transceiver Module - 1000BASE-LX/LH - 10 PACK~10 Pack Cisco GLC-LH-SM Compatible SFP Module (10 Pack) - 1000BASE-LX/LH - 1GbE Single Mode Fiber SMF Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 10km - 1310nm - DDM Cisco Firepower, ASR920, IE2000. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1250 Mbit/s, Interface type: SFP. Product colour: Silver, Housing material: Steel, Aluminium, Mean time between failures (MTBF): 3092408 h. Power consumption (typical): 1 W. Compliance certificates: RoHS, Certification: CE, FCC, UL. Width: 13.7 mm, Depth: 56.6 mm, Height: 12.5 mm