The protective caps not recommended are made of soft rubber, which are apt to absorb
dust and sundries, and dicult to clean.
4.2.4.5.3 Tools, Equipment, and Materials
Optical connectors should be cleaned using recommended tools, equipment and
materials.
The following provides the recommended tools, equipment and materials:
● Optical power meter
● 400X
ber microscope (A video ber microscope is recommended.)
● cassette cleaner shown in Figure 4-236
● 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
● Special cleaning roll
● Dustfree absorbent swab (made of medical cotton or long
ber cotton)
shown in Figure 4-237 and Figure 4-238
Figure 4-236 Cassette cleaner
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 588
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