1-6
Troubleshooting During Power-Up
1.3 AC Input Box
The AC input box with circuit breaker is located in the upper rear
of a system or expander cabinet. The circuit breaker has four in-
dicators (see Figure 1-3). All four indicators should be RED when
the circuit breaker is in the On position.
Figure 1-3
AC Input Box
BXB-0049F-92
System or
Expander
Rear
C
B
A
S
Breaker
Indicator
A - Regulator slot A
B - Regulator slot B
C - Regulator slot C
S - Sensor circuit