Huawei USG6000 Series Hardware Manual page 174

HUAWEI USG6000 Series
Hardware Guide
Name
Filler panel (in slot
SPU12)
Fan module (in slot
FAN13)
Power modules (in slots
PWR9 and PWR10)
ESD jack
SPUA (the main processing unit)
The SPUA is pictured in
Issue 08 (2017-06-30)
Description
Ensures normal air flow and keeps out dust.
The fan module provides air flow for heat dissipation. The slot
numbering layout and ESD jack are also located in the fan
module. The fan module supports hot-swapping and can be
replaced without interrupting device operation. However, to
prevent overheating, do not operate the device without a
functioning fan module for more than one minute. For details,
see 2.3.2.5 Heat Dissipation
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
2.3.2.4 Power Supply
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 already grounded.
Figure 2-75.
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2 Hardware Overview
System.
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