Ix-Rngum; Ix-Bacbb; Battery Back-Up - Iwatsu ENTERPROSE-CS Owner's Manual

IX-RNGUM

This unit provides 90 VAC ringing voltage at 20 Hz. for single line telephones.
Required for any IX-4SUBL or IX-8SUBS-2 card installed in the Iwatsu
Enterprise-CS. The IX-RNGUM is not required when the IX-8SUBS-4 analog
station card is installed in the Iwatsu ECS system. The IX-8SUBS-4 includes
the ringer generator unit on board.

IX-BACBB

Battery Connecting Cable for power failure back-up.

Battery Back-Up

Backup time is dependent upon battery array, system size and usage.
GENERAL DESCRIPTION - 35