Figure 4-49 Dragging the ber end face gently on the other cleaning area
6. Release the lever of the cassette cleaner to close the cleaning area.
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. Connect the
ber to the optical port immediately. If it is not used for the time
being, put a protective cap on it.
9. Turn on the laser after connecting the ber to the board.
4.1.4.5.7 Cleaning Optical Fiber Connectors Using Lens Tissue
This topic describes how to clean the ber connectors using lens tissue.
Prerequisites
Before cleaning, inspect the
ber end face with a ber microscope or a magnier
to conrm the degree of ber contamination. Clean the ber only when it is
severely contaminated. This is because the cleaning operation itself may introduce
dust, dirt, or cause damage to the
ber.
Tools, Equipment, and Materials
The following provides 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.)
● Non-woven lens tissue,
ber cleaning tissue, and dustfree cloth (Non-woven
lens tissue is recommended.)
● Special compressed air or cleaning roll
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 396
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