NEC DSX 80 16 Port Digital Station Card

P/N NEC 1091004

NEC 16ESIU

NEC DSX80 DSX160 16 port digital station card.

Provides expansion of 16 digital telephones to an existing DSX80 or DSX160 digital phone system.

1) power supply is needed for each 32 telephones connected to the existing phone system.

The DSX80 can only be expanded to 32 telephones maximum as you can only have 1 power supply connected to the DSX80 phone system.