PCM

Voice number: 30 Ports FXO/S
E1: 4 E1 connector 75ohm BNC or 120ohm RJ45 connector-Option
Ethernet: 1 port or 4 ports,10/100Mbps -VLAN option
Power supply: AC220V or DC-48V or AC+DC
Optical: dual fiber SM or port Single fiber WDM
Fiber: 1 or 1+1 fiber back up Option
Fiber Distance (KM): 20/40/60/80
Optical type: FC or SC or LC
Data:2/4 channels RS232/RS485/RS422
Management: None or SNMP or RS232 Console