Huawei USG9500 Series Hardware Manual page 26

HUAWEI USG9500 Series
Hardware Guide
Figure 1-6 Power supply architecture of the USG9580 DC power system
DCa
DCb
Figure 1-7
Issue 03 (2017-12-15)
Rear view
zone1 zone1 zone2 zone2
PEM-B2
PEM PEM PEM PEM
NEG(-) RTN(+) NEG(-) RTN(+) NEG(-) RTN(+) NEG(-)
A1 A2 B1 B2
B3 B4
RUN ALM RUN ALM RUN ALM RUN
PEM
A8 FFU B8
ON ON ON ON
6 F F FAN B6
OFF OFF OFF OFF
REAR
-48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A
PEM PEM PEM PEM
NEG(-) RTN(+) NEG(-) RTN(+) NEG(-) RTN(+) NEG(-)
A3 A4 B3 B4
RUN ALM RUN ALM RUN ALM RUN
ON ON ON ON
OFF OFF OFF OFF
-48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A
CMU PEM-A3 PEM-A4
OR
128-270KG(282-595LBS)
AN-B5/FFU-B7
zone3 zone3 zone4 zone4
shows the PEM.
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Front view
1
zone2 zone2
RTN(+)
ALM
zone1 zone1
RTN(+)
zone3 zone3
ALM
RS485-2
zone4 zone4
8 9 10 11
1 Hardware Overview
6 7
zone1 zone1
zone3 zone3
12 13 14 15 16
14