... supports transportation of 8~16 E1s and 5 GE electrical ports and 1 GE optical port. The uplink ports and user data ... /IP network. Features: 1. Provide 5 GE electrical ports and 1 GE optical port, 6 GE ports serve as network uplinks or users ... ports, Anyone of 5 GE electrical ports may act as NM port2. Support Ethernet spanning ...