Huawei S2700 Hardware Installation And Maintenance Manual page 181

S2700&S3700&S5700&S6700 Switch
Hardware Installation and Maintenance Guide
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Issue 13 (2017-11-20)
Figure 13-98 Using fibers to protect an optical module
Cover unused optical connectors with protective caps, as shown in
then lay out fibers on the fiber rack or coil them in a fiber management tray to prevent
fibers from being squeezed.
Figure 13-99 Installing a protective cap on a fiber
If a receptacle or an optical connector has not been used for a long time and is not
covered with a protective cap, you need to clean it before using it. Clean a receptacle
with a cotton swab, as shown in
tissues.
Figure 13-100 Cleaning a receptacle with a cotton swab
NOTICE
When cleaning a receptacle, insert the cotton swab and turn it slowly in the receptacle.
Do not use too much strength because the receptacle may be damaged.
If optical signals are lost during the operation of a device, use the preceding method to
clean the receptacle or the optical connector. In this manner, the possibility of
contamination can be excluded.
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Figure 13-100. Clean an optical connector with cleaning
13 Appendix
Figure 13-99, and
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