Huawei USG9500 Series Hardware Manual page 292

HUAWEI USG9500 Series
Hardware Guide
Step 4 Affix permanent labels 20 mm from both ends of each power cable.
Figure 2-36 Affixing permanent labels
Power A A1(-)
PEM A1 RTN(+)
PEM A1 NEG(-)
----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.
Issue 03 (2017-12-15)
Power supply A
A1(-) A1(+) A2(-) A2(+)
Power A A1(+)
a b
FAN/FFU-A
PEM
NEG(-) RTN(+)
PEM
A1
RUN ALM
ON
OFF
-48~-60V;8.60A
From
Power A A1(-)
a
Power A A1(+)
Power A A2(-)
b
Power A A2(+)
Power B B1(-)
c
Power B B1(+)
Power B B2(-)
d
Power B B2(+)
NOTICE
Install a plastic cover on each power module.
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Power supply B
B1(-) B1(+) B2(-) B2(+)
FAN/FFU-B
PEM PEM
NEG(-) RTN(+) NEG(-) RTN(+) NEG(-)
PEM PEM PEM
A2 B1 B2
PEM
RUN ALM RUN ALM RUN
ON ON ON
OFF OFF OFF
-48~-60V;8.60A -48~-60V;8.60A -48~-60V;8.60A
To
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
c d
PEM
RS485
RTN(+)
ALM
280