100Base-FX 1310nm single mode (LC) with DMI [10 km/6.2 mi.] Link Budget: 19.0 dB The Transition Networks TN-GLC-xxx series small form factor pluggable (SFP) tranceiver modules are designed to install in any SFP port allowing for 1000Base-T, 1000Base-SX or 1000Base-LX interfaces to the network through the SFP connector. The TNGLC- xxx tranceivers are Cisco compatible and are designed for bidirectional serial-optical data communication such as Gigabit Ethernet or fiber channel at speeds up to 1.25 Gbps.