... Ethernet or IP networks.Features:•provide 1 channel STM-1(63 E1 service) over 1 Ethernet ... mode: local clock, adaptive and loopback•Provide 2 STM-1 optical ports , Support 1 + 1 protection ... dual power supply, realize 1 + 1 backupSpecification:Capacity2 STM-1 optical port (1+1 protection), 5GE electronically ... mm): 440× 44× 260Net weight ≤3.5 kg STM-1 over GE TDM over IP multiplexer /63E1 converter/ ...