PCM mux: 32 Voice ports; 1-16 E1 interfaces; 8 Ports Gigabit
Ethernet physically isolated; over fiber SFP or 2 optical interfaces (1+1) (option)
This device provides 32Channel telephone 1-4Channel E1 interface, 4 channel physically isolated Fast Ethernet interface (independent bandwidth per line speed 100M)
Provide 1-4 E1 (rj45), 1-4 physical isolation 10/100M Fast Ethernet (independent four-wire speed 100M,total bandwidth is 4*100M) over fiber SFP