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The NEC DSX-40 8-port digital phone card (8esiu 1091001) adds 8 additional connections for the NEC DSX 22B display and 34b display telephones. This card can be installed in the middle and upper expansion slots for a total of 24 NEC DSX telephones.
The NEC DSX-40 8-port digital phone card (8esiu 1091001) adds 8 additional connections for the NEC DSX 22B display and 34b display telephones. This card can be installed in the middle and upper expansion slots for a total of 24 NEC DSX telephones.
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