The NEC 1091001 CO trunk module is an expansion card for NEC DSX 40 phone systems. The card allows for an additional four CO analog trunks to be accepted by the system. Only one NEC 1091001 analog trunk expansion module can be installed per NEC DSX-40 system.
NEC 10910001 Features:
- Accepts an Additional Four CO Lines / Trunks
- Compatible with NEC DSX-40 Phone Systems
- Only One NEC 1091001 Card Supported Per System
- (1) NEC DSX40 4 Port CO Line Module (1091001)
- 1 Year Warranty