NEC Infoset Key Service Units, Power Supply Units, and Adapters
For Additional Information Call Telephone Equipment & Service
254-595-0620 or email

NEC Infoset B408-B10 KSU


The Basic Key Service Unit (KSU) for the InfoSet system provides service for outside lines and interconnection of the telephones. The basic KSU provides up to two trunk lines and five telephones. The B408-B10 KSU has a dedicated ESI slot, SLI or VMS slot, DPH slot, PBR slot, and MIF slot. The B408-B10 KSU also provides a COI/BRT shared slot.

NEC Infoset MIF-B10 ETU


This unit provides additional memory for processing and backup for PC programming and SMDR