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| Senior Member ![]() gwebster has no status.
Location: NORTEL - Ottawa Rep Power: 6 ![]() | ACD Phone The NT8D09 Analog Message Waiting Line Card provides connection of -150 V dc at 1 Hz to activate message waiting lamps in two telephones in parallel. The two telephones must be the same type or the neon series resistor in each telephone must be 54 K ohms or greater. From Line Cards Description NTP (553-3001-105).. | ||||||||
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