The powerful NEC ELECTRA ELITE 192 / B64-U10 KSU (Stock # 750010) Kye service unit is for the Electra Elite 192 system provides up to 144 ports and can be expanded to a maximum of 192 ports with the addition of 2 expansion KSUs.(The same unit is used as expansion KSU)

KEY SERVICE UNIT (Elite 192) The Key Service Unit (KSU) for the Electra Elite System provides 64 ports and can be expanded to a maximum of 192 ports with addition of 2 expansion KSUs: (Same unit used as expansion KSU) The P64-U10 PSU (power supply unit), backup batteries, and 3 power failure transfer relays are included with each KSU.

Package Inclusions: 

NEW IN THE BOX

Comes with a one-year Warranty