NEC DS2000 8 Port Analog Trunk Unit (Refurbished)

More Information:

• The 8ATRU PCB supports 8 analog loop start CO trunks.
• The PCB has a Mode Switch (for taking the PCB out of service), a status LED indicating proper PCB operation, and a port activity LED that indicates traffic on the PCB.
• The number of 8ATRU PCBs you can install depends on system configuration.
• Each 8ATRU PCB also provides 2 power failure cut-through circuits.
• When commercial AC power fails, the PCB automatically cuts through 2 trunk circuits to 2 power failure telephones.
• For use with the NEC BDS 4-Slot KSU or the NEC DS2000 phone system.