Huawei AP7052DN Hardware Installation And Maintenance Manual page 154

AP7052DN&AP7152DN
Hardware Installation and Maintenance Guide
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Issue 01 (2017-12-29)
Cover an unused optical module with a protective cap to prevent dust, as shown in
Figure 5-170.
Figure 5-170 Installing a protective cap
If no protective cap is available, use fibers to protect the optical module, as shown in
Figure 5-171.
Figure 5-171 Using fibers to protect an optical module
Cover unused optical connectors with protective caps, as shown in Figure 5-172, and
then lay out fibers on the fiber rack or coil them in a fiber management tray to prevent
fibers from being squeezed.
Figure 5-172 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 Figure 5-173. Clean an optical connector with cleaning
tissues.
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