StarTech.com Cisco GLC-LH-SM Compatible SFP Module - 1000BASE-LX/LH - - 1GE Gigabit Ethernet SFP - LC 621 mi - 1310nm - Cisco IE3400, IE3300, IE3200~Cisco GLC-LH-SM Compatible SFP Module - 1000BASE-LX/LH - - 1GE Gigabit Ethernet SFP - LC 10km - 1310nm - Cisco IE3400, IE3300, IE3200. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1250 Mbit/s, Interface type: SFP. Product colour: Stainless steel, Mean time between failures (MTBF): 3092408 h. Power consumption (typical): 1 W. Compliance certificates: RoHS, Certification: CE, FCC, UL. Width: 12 mm, Depth: 60 mm, Height: 10 mm