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1-2
Troubleshooting During Power-Up
1.1 Power System Overview
In general, the power system (Figure 1-1) consists of AC input
boxes, DC distribution boxes, power regulators, and battery plug-
in units.
Figure 1-1
Power System
System or
Expander
Front
Power Regulators
BXB-0052D-92
Battery PIUs
System
Cabinet
Front
System or
Expander
Rear
DC Distribution Box
AC Input Box
CCL Module
Battery
Cabinet
Front