Adtran OPTI-6100 Gigabit Ethernet Copper Module (GECM)
The OPTI-6100 Gigabit Ethernet Copper Module (GECM) maps and demaps 1, 2, or 3 STS-1s, or one STS-3C to and from the Gigabit Ethernet port. The Gigabit Ethernet signal is made available through the RJ-45 jack on the front panel of the GECM Module.
