STARTECH Gigabit Fiber Sfp Transceiver Module - GLCLHSM10PST, Auto MDIX: Yes, Material: Aluminum and Steel, System and Cable Requirements: MSA or Cisco compliant SFP port, 1 - Local Unit Connectors: Fiber Optic LC Duplex, Compatible Brand: Cisco, Industry Standards: IEEE 802.3z 1000BASE-LX/LH, Max Transfer Distance: 10 km (6.2 mi), Type: Single Mode / Multi Mode, Wavelength: 1310nm The GLCLHSM10PST is a Cisco GLC-LH-SM compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco® brand switches and routers. It delivers dependable 1 GbE connectivity over fib