NEC DSX-40 4-Port Loop-Start CO Line Card (1091001)
The NEC DSX 4-Port CO Line Card with Caller ID is an expansion card that provides four additional CO line ports with built-in Caller ID.
- Provides interface for (4) additional CO Lines
- Maximum one per system
- You can install this card only in the bottom expansion slot for a system maximum of 8 outside line ports.
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