Table of Contents
Advertisement
HUAWEI USG9500 Series
Hardware Guide
DC Chassis
Figure 1-32 Front panel of the USG9520 DC chassis
No.
1
2
3
Figure 1-33 Rear panel of the USG9520 DC chassis
Issue 03 (2017-12-15)
AUX
CONSOLE
ACT
LINK
RESET
ACT
ALM
RUN
CLK
TOD
MGMT-ETH
Name
Description
MPU
The Main Processing Unit (MPU) on the USG9520 is in charge of
system control and route information learning. It is the central control
unit of the device. The USG9520 MPUs work in 1:1 backup mode.
When the active MPU is faulty, the standby MPU immediately takes
over for it, ensuring service continuity.
LPU/SPU
Holds an LPU or SPU.
slot
ESD jack
The equipment end of the wrist strap is inserted into the ESD jack. For
the wrist strap to be effective, ensure that the device is grounded.
Don't touch the
fan leaves before
they slow down.
1
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
AUX
CONSOLE
ACT
LINK
OFL
CLK
TOD
MGMT-ETH
Refer to diagram of
cable routing.The air
filter can not be
covered by cables.
STATUS
RUN
ALM
RUN
ALM
2
1 Hardware Overview
4/5
RESET
ACT
ALM
RUN
OFL
3
2
1
NEG(-)
-48~-60V;42A
(+)
RTN
NEG(-)
-48~-60V;42A
RTN
(+)
High touch current,earth connection essential
before supply and/or telecommunication
network connections
WARNING
3
1
2
3
5
4
54
Advertisement
Table of Contents
