* Providing up to 16 E1, 2 10/100Mbps Ethernet and 1 V.35 channel
* Double Optical port optional for redundant backup, auto-alternative
* Support ALS (Automatic Laser Shutdown) function (special model)
* Complete alarm functions
* Support the local/remote E1 loop back
* Standalone and rack mount module optional
* 220VAC and -48VDC optional
Support local and remote management
* Support Console, WEB and SNMP management
* View & configure the working status of local and remote device, including
connection status, speed, half/full duplex mode, port status
* Real-time alarm monitor and history alarm management are both available
* Online firmware updating
