Huawei USG9500 Series Hardware Manual page 295

HUAWEI USG9500 Series
Hardware Guide
Figure 2-37 Affixing permanent labels
----End
Follow-up Procedure
The power cable has polarity. After the device is powered on, if the PEM indicator blinks red,
check whether the anode and cathode of the PEM power cable are properly connected. If they
are not properly connected, immediately switch off the previous-stage power and properly
connect the power cable.
1.
2.
Issue 03 (2017-12-15)
Power supply A
A1 A2
Neutral wire
A1
Power A A1(-)
Power A A1(+)
a b
FAN
PEM A1 RTN(+)
PEM A1 NEG(-)
PEM
NEG(-) RTN(+)
PEM
A1
RUN ALM
ON
OFF
-48~-60V;8.60A
Neutral wire Power chassis A1(-)
A1
Power chassis A1(+)
Live wire
Power chassis A2(-)
Neutral wire
A2
Power chassis A2(+)
Live wire
Power chassis B1(-)
Neutral wire
B1
Power chassis B1(+)
Live wire
Power chassis B2(-)
Neutral wire
B2
Power chassis B2(+)
Live wire
NOTICE
Install a plastic cover on each power module.
The power cables are fixed securely and have sufficient contact with the terminals.
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Copyright © Huawei Technologies Co., Ltd.
Power supply B
Live wire
A2 B1
PEM PEM
NEG(-) RTN(+) NEG(-) RTN(+)
PEM PEM
A2 B1
RUN ALM RUN ALM
ON ON
OFF OFF
-48~-60V;8.60A -48~-60V;8.60A
From
PEM A1 NEG(-)
PEM A1 RTN(+)
PEM A2 NEG(-)
PEM A2 RTN(+)
PEM B1 NEG(-)
PEM B1 RTN(+)
PEM B2 NEG(-)
PEM B2 RTN(+)
2 Hardware Installation
B1 B2
B2
c d
STATUS
PEM
NEG(-) RTN(+) RS485
PEM
B2
RUN ALM
ON
OFF
-48~-60V;8.60A
To
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