NEC

NEC DSX-80/160 16 Port Digital Station Card, Connects 16 Digital Extensions, 16ESIU has a Mode Switch, Status LED for Proper Card Operation and Port Activity LED, 2 Max. in a DSX-80, 6 Max. in a DSX-160, Needs a separate power supply for every two 16ESIU...

NEC DSX-80/160 8 Port CO Line (8COIU) Card, Supports 8 Analog Loop Start CO Lines, Mode Switch, Status LED indication proper card operation, Port Activity LED indicating traffic, Each 8COIU Card provides two power failure cut-through circuits, Provides...

The NEC 1091008 power supply card provides the various DC voltages required to power the DSX-80/160 Cards. The DSX-80 4-Slot KSU requires a single power supply. The DSX-160 8-Slot KSU requires up to 3 power supplies, depending on system configuration...