- In Stock
4-Port CO Line Card 1091001 NEC DSX-40
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Become a Dealer Sign InThis expansion card will allow you to add up to 4 additional CO lines to your DSX-40 digital business phone system.
Product Description
This expansion card will allow you to add up to 4 additional CO lines to your DSX-40 digital business phone system.
Card Features
- Provides interface for (4) CO lines
- Maximum (1) per DSX KSU
- Installs in expansion slot
- Provides two power failure cut-through circuits
- If AC power fails, the Card automatically cuts through two line circuits to two power failure single line telephones