Huawei USG9500 Series, Hardware Manual

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Figure 1-27 Fan module
STATUS
FAN
STATUS
Table 1-21 describes the indicators on the fan module.
Table 1-21 Description of fan module indicators
Indicator Color Description
STATUS Green If the indicator blinks once every 2 seconds (0.5 Hz), the fan
module is working normally.
Red If the indicator blinks once every 2 seconds (0.5 Hz), the fan
module or PEM is faulty, or not all PEMs are powered on.
Table 1-22 lists the technical specifications of the fan module.
Table 1-22 Technical specifications of the fan module
Item Technical Specifications
Dimensions (width x
depth x height) 210.4 mm x 100 mm x 243.7 mm
Weight 3.4 kg
Power consumption
(typical value) 30 W
Maximum noise 74 dB
Fan Speed Adjustment
When the system is fully configured, fan speeds are adjusted based on temperatures reported
by the temperature sensors on the LPUs, SPUs, SFUs and MPUs.
Table 1-23 lists general fan
speed adjustment principles.
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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