Huawei RRU3203, Hardware Maintenance Manual

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Preventative Maintenance Items for an RRU
Preventative maintenance for an RRU improves the reliability of the RRU. You are advised to
perform scheduled maintenance yearly.
DANGER
While working at heights, be careful not to drop any tools, equipment, or other objects. Falling
objects may cause serious injury or death. Always wear a helmet and avoid standing in the danger
area.
The items in the following checklist are not mandatory but strongly recommended. Table 2-1
lists the preventative maintenance items for an RRU.
Table 2-1 Preventative maintenance items for an RRU
SN Item
1 All RRUs are properly installed and in good condition.
2 Cables are sealed properly at the entry points of the cabinet.
3 All radio frequency (RF) cables are free from wear, cuts, cracks, or other damage.
4 All RF cable connectors are sealed properly.
5 All RF cable conduits are in good condition.
6 All power cables are free from wear, cuts, cracks, or other damage.
7 All power cable connectors are in good condition.
8 All power cable conduits are in good condition.
9 All shield layers of power cables are in good condition.
10 All power cables are sealed properly.
11 All CPRI fiber optic cables are free from wear, cuts, cracks, or other damage.
12 All screws are tightened on the cover plate of the maintenance cavity.
RRU3203
Hardware Maintenance Guide
2 Preventative Maintenance Items for an RRU
Issue 04 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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