Huawei USG9500 Series Hardware Manual page 53

HUAWEI USG9500 Series
Hardware Guide
Figure 1-23 Power supply architecture of the USG9560 AC power system
AC1
BC2
An AC power chassis is 2 U high. Install the AC power chassis in the same cabinet as the
device. If they cannot be installed in the same cabinet, install them in as close proximity as
possible. The USG9560 uses one AC power chassis. There are four air circuit breakers on the
AC power chassis. The current of the air circuit breaker is 20 A.
Figure 1-24
Figure 1-24 Front view of the AC power chassis
Issue 03 (2017-12-15)
AC power chassis
DCa
DCa
DCb
D
and Figure 1-25 show the AC power chassis.
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Rear view
zone2 zone2 zone2
zone1 zone1 zone1
PEM PEM PEM PEM
NEG(-) RTN(+) NEG(-) RTN(+) NEG(-) RTN(+) NEG(-) RTN(+)
A1 A2 B1 B2
RUN ALM RUN ALM RUN ALM RUN ALM
ON ON ON ON
OFF OFF OFF OFF
-48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A
1 Hardware Overview
Front view
zone2 zone2 zone2 zone1 zone1 zone1
Power running indicator
Protection indicator
Fault indicator
41