NEC SL1100 IP4WW-4COIDB-B1 Card
NEC SL1100 Telephone System 4-Port CO Trunk Daughter Board (IP4WW-4COIDB-B1) Provides interface for (4) standard loop-start CO trunks. Includes power failure transfer circuit for one line.
- Equipped with (2) 8-conductor interface jacks: (1) for connection of (4) trunks and (1) for power failure connection for first trunk circuit. Can only be installed on 084M, SL1100 8-Port Digital Station Card, or SL1100 8-Port Analog Station Card. only be installed on 084M, SL1100 8-Port Digital Station Card, or SL1100 8-Port Analog Station Card.
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