Volt Power Supply (Vb-44022); Figure 4-21 Installation Of Cabinet Backup Batteries (Vb-44025) - Panasonic DBS 576 Technical Manual

Chapter 4. - Installing Additional Cabinets
Figure 4-21. Installation of cabinet backup batteries (VB-44025)

-48 Volt Power Supply (VB-44022)

Guidelines
• Any cabinet that contains an E&M Tieline Card, Ground Start/Loop Start Card or
• Each cabinet must have a separate -48 Volt Power Supply.
Installation
1. Turn the power switch and the external breaker OFF, and disconnect the AC
2. Insert the -48 Volt Power Supply into the -48 volt power supply slot.
3. Secure the -48 Volt Power Supply into place by inserting the supplied lock
4-20
CAUTION:
• Turn the power switch and the external breaker OFF, and disconnect the
AC cable before installing the -48V power supply.
DID Card must have a -48 Volt Power Supply.
cable.
washer and screw into the front tab.
DBS 576 (USA), issued 6/2/98
Section 300-Installation
576-13-300