NEC DSX-40 4 Port (4COIU) Line PCB with Caller ID

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.