The NEC SL1100 Basic KSU (0x8x4) (1100011) a maximum of three (V3.5 or higher) additional 1228ME EXPs can be connected to expand the system capacity of the 1228M KSU. Although similar in shape and size as the 1228M KSU, the capabilities are not the same.
The NEC SL1100 Basic KSU (0x8x4) provides 8 Digital Station Line Ports, 4 Analogue Station Line Ports.
We have many NEC phones in stock. We can design a custom solution to fit your need. We can also install your used NEC telephone system anywhere in the nation. Call 1-888-234-4975 for more information.