DS2000 4 Port CO Card

Description

– NEC 4ATRU 4 Port Analog Trunk PCB- Supports 4 analog loop start CO trunks- Mode switch for taking the PCB out of service- Status LED indicating proper PCB operation- Port activity LED that indicates traffic on the PCB- 2 Power failure cut through circuits- Upon failure of commercial AC power, PCB automatically cuts through 2 trunk circuits to 2 power failure telephones- Built-in caller ID