Maintenance-Object Repair Procedures
555-233-143
8-396 Issue 1 May 2002
The optional battery charger (List 11) sits at the bottom of some multicarrier
cabinets. See Figure 8-16.
Figure 8-16. Battery Charger (Optional Part of J58890CE-2) — Front
The charger is used only without an uninterruptible power supply (UPS). The
charger contains:
■ Three 48 VDC batteries for backup power to the cabinet
■ A DC power relay to automatically switch the batteries into the power circuit
if a main power failure is detected
atteries
Battery
Charger
battchar RBP 031996