StarTech.com Cisco GLC-LH-SMD Compatible SFP Transceiver Module - 1000BASE-LX/LH - 10 Pack~Cisco GLC-LH-SMD 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, Mean time between failures (MTBF): 200000 h. Power consumption (typical): 1 W. Compliance certificates: CE, RoHS. Width: 12 mm, Depth: 58 mm, Height: 8 mm