Key Information:
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8 Port Analog Trunk Unit (80011B) Supercedes the DX7NA-8ATRU 80011A unit
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The 8ATRU PCB supports 8 analog loop start CO trunks.
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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.
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The number of 8ATRU PCBs you can install depends on system configuration.
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Each 8ATRU PCB also provides 2 power failure cut-through circuits.
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When commercial AC power fails, the PCB automatically cuts through 2 trunk circuits to 2 power failure telephones.
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For use with the NEC BDS 4-Slot KSU or the NEC DS2000 phone system.
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Caller ID Capability with 2.0 and higher software
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NOTE: MUST INCLUDE JUMPERS if the CID Card (80013) is not used.
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