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HUAWEI USG9500 Series
Hardware Guide
DC power
module
PEM-A2
PEM-B2
PEM-A3
PEM-B3
PEM-A4
PEM-B4
NOTE
Figure 1-6
power input contains one -48 V power input and one RTN input. Two separate RTN inputs
join together on the board.
Issue 03 (2017-12-15)
Powered Area
Zone2
Zone3
Zone4
PEMs A and B back up each other.
shows the relationships between the power modules and chassis parts. Each DC
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Copyright © Huawei Technologies Co., Ltd.
Powered Part
l Front panel: slots 1-4, 17, 18
l Rear panel: fan modules (upper right side)
l Front panel: slots 13-16, 22
l Rear panel: fan modules (lower left side)
l Front panel: slots 8-12
l Rear panel: fan modules (lower right side)
1 Hardware Overview
13
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