Huawei USG6000 Series Hardware Manual page 121

HUAWEI USG6000 Unified Security Gateway
Hardware Guide
Figure 1-53 USG6670 Rear Panel
Name
Slot numbering
Power modules (in slots
PWR9 and PWR10)
Fan module (in slot
Issue 03 (2015-01-26)
Description
Indicates the layout of the slots, including the slot number and
module type.
Provides power input and distribution for the device. Two DC
or AC power modules are mandatory to provide 1+1 power
redundancy. If one power module fails, the other can support
the entire system so that you can replace the faulty power
module without interrupting device operation. For details, see
1.3.3.4 Power Supply
The fan module provides air flow for heat dissipation. The slot
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1 Hardware Overview
System.
111