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HUAWEI USG9500 Series
Hardware Guide
No.
2
3
4
5
Rear Panel
Figure 1-18 USG9560 rear panel
1
2
4
5
6
Issue 03 (2017-12-15)
Name
Description
SRU
The Switch Router Unit (SRU) on the USG9560 is in charge of system
control and route information learning. It is the central control unit of
the device. The USG9560 SRUs work in 1:1 backup mode. When the
active SRU is faulty, the standby SRU immediately takes over for it,
ensuring service continuity.
The USG9560 SRU is integrated with an SFU for data switching.
SFU
The SFUs of the USG9560 are responsible for the data switching of
the entire system. The USG9560 has one separate SFU. It works with
the SFUs integrated in the two SRUs in 2+1 backup mode for load
balancing.
LPU/SPU
Holds an LPU or SPU.
slot
Front
Used for laying optical fibers and cables.
cable rack
Lifting Hazard.May result in injury or
equipment damage.
FAN
Insert or remobe the fan
Hazardous moving parts,keep fingers
frame with both hands
and other body parts away.
FAN/FFU-A
PEM
PEM
NEG(-)
RTN(+)
NEG(-)
RTN(+)
RUN
ALM
RUN
ALM
ON
ON
OFF
OFF
-48~-60V;8.60A
-48~-60V;8.60A
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Copyright © Huawei Technologies Co., Ltd.
Lifting Hazard.May result in injury or
equipment damage.
FAN
STATUS
STATUS
Insert or remobe the fan
Hazardous moving parts,keep fingers
frame with both hands
and other body parts away.
FAN/FFU-B
PEM
PEM
NEG(-)
RTN(+)
NEG(-)
RTN(+)
RS485
Diagram of partitioned Power supply in the Syatem
FAN A3
FAN B3
FFU A4 FFU B4
A1 A2
B1 B2
PEM
RUN
ALM
RUN
ALM
ON
ON
OFF
OFF
-48~-60V;8.60A
-48~-60V;8.60A
1 Hardware Overview
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