● When using the compressed air, keep the nozzle as close as possible to the ber
end face without touching it.
● Before using the compressed air, rst spray it into the air to expel deposits in the
compressed air.
● If the compressed air is not available, use a cleaning roll instead.
7. Use a
ber microscope to inspect the ber to check whether there is any dirt.
For details, see the examples shown in "Inspecting Optical Fiber Connectors".
If the
ber end face is still dirty, repeat 1 to 6.
8. Do not touch the ber connector after cleaning it. Connect it to the optical
port immediately. If it is not used for the time being, put a protective cap on
it.
Do not use the same cleaning area to clean the ber connector for more than one
time.
9. Turn on the laser after connecting the ber to the board.
4.2.4.5.8 Cleaning Optical Fiber Adapters Using Dustfree Absorbent Swabs
This topic describes how to clean ber adapters using dustfree absorbent swabs.
Prerequisites
There are several types of dustfree absorbent swabs available. Select appropriate
dustfree absorbent swabs based on site conditions. You can obtain the following
tools and materials from a
ber cable and connector manufacturer.
Tools, Equipment, and Materials
The following lists the required tools, equipment and materials:
● Optical power meter
● 400X
ber microscope (A video ber microscope is recommended.)
● Cleaning solvent (Isoamylol is preferred, propyl alcohol is the next, and
alcohol or formalin is forbidden.)
● Special compressed air
● Dustfree absorbent swab (made of medical cotton or long
ber cotton)
Precautions
Laser energy is invisible and may cause eye injuries. Never look directly into ber
connectors or ports.
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 599
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