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AAU3940
Hardware Maintenance Guide
2
Routine hardware maintenance for an AAU improves reliability of the AAU. You are advised
to perform routine hardware maintenance yearly.
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 AAU routine hardware maintenance items
No.
1
2
3
4
5
6
7
8
9
10
11
Issue 01 (2015-01-15)
Routine Hardware Maintenance Items
DANGER
Item
All AAUs are intact and securely installed, with all modules in the AAUs securely
installed.
All RF cables are free from wear, cuts, cracks, or other damage.
All RF cable connectors are sealed and waterproofed 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 sealed properly.
All CPRI fiber optic cables are free from wear, cuts, cracks, or other damage.
All screws on the cover plate of the maintenance cavity are tightened.
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2 Routine Hardware Maintenance Items
2
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