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