2. Cover an unused optical module with a protective cap to prevent dust, as shown in
Figure 6-97.
Figure 6-97 Installing a protective cap
If no protective cap is available, use fibers to protect the optical module, as shown in
Figure 6-98.
Figure 6-98 Using fibers to protect an optical module
3. Cover unused optical connectors with protective caps, as shown in Figure 6-99, and then
lay out fibers on the fiber rack or coil them in a fiber management tray to prevent fibers
from being squeezed.
Figure 6-99 Installing a protective cap on a fiber
4. 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 6-100. Clean an optical connector with cleaning
tissues.
Huawei AR500&AR530&AR550 series Industrial Switch
Routers
Hardware Installation and Maintenance Guide
6 Appendix
Issue 05 (2015-12-01) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
209
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