Figure 2-33
Installing a subcard
1
3
2
----End
Follow-up Procedure
Verify the following:
l
Boards and subcards are installed in the correct position and captive screws are tightly
fastened.
l
Filler panels are inserted into vacant slots. Filler panels prevent intrusion of dust and
ensure heat dissipation.
2.3.5 Installing Chassis Components
Air filters are used to protect devices against dust, and cable racks are used to route optical
fibers and cables.
Procedure
l
Install air filters on the air intake frame.
NOTE
Orient the pin on the air filter towards the hole to prevent installing upside down. Otherwise, the
air filter cannot be installed.
Figure 2-34
Installing air filters on the air intake frame
HUAWEI USG9500 Series
Hardware Guide
2 Hardware Installation
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
277