Preventative Maintenance Items For An Rru - Huawei RRU Hardware Maintenance Manual

RRU
Hardware Maintenance Guide
2
Preventative Maintenance Items for an
Preventative maintenance improves the reliability of the RRU. You are advised to perform
scheduled maintenance yearly.
When working at heights, the maintenance personnel need to exercise caution to avoid falling
of objects, which may cause injuries or death. In addition, the maintenance personnel must
always wear helmets in the working area and avoid dangerous areas.
The items in the following checklist are not mandatory but strongly recommended.
lists the preventative maintenance items for an RRU.
Table 2-1 Preventative maintenance items for an RRU
No.
1
2
3
4
5
6
7
8
9
10
11
Issue 16 (2015-03-23)
Item
All RRUs are properly installed and in good condition.
The cable seals at the entry points of the cabinet are in good condition.
All ground cables are properly grounded.
All RF cables are free from wear, cuts, cracks, or other damage.
All RF cable connectors are sealed properly.
All RF cable conduits are in good condition.
All power cables are free from wear, cuts, cracks, or other damage.
All power cable connectors are in good condition.
All power cable conduits are in good condition.
All shield layers of power cables are in good condition.
All power cables are in good condition.
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2 Preventative Maintenance Items for an RRU

RRU
Table 2-1
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