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Installation Manual – Hardware Installation
BBU3806 WCDMA Base Band Unit
7.3 Checking Cable Installation
This section introduces how to check the installation of:
Signal cables
Power cables
Grounding cables
7.3.1 Checking Signal Cable Installation
Table 7-2 lists the check items after the installation of signal cables.
Table 7-2 Check items for signal cables installation
Serial No.
1
2
4
5
6
7
7.3.2 Checking Installation of Power Cables and Grounding Cables
Table 7-3 lists the check items after the installation of power cables and grounding
cables.
Table 7-3 Check items for power cable and grounding cable installation
Serial No.
1
2
3
The connectors of the signal cable are tight and secure.
The connectors of the signal cable are intact.
The signal cable is neatly bound with ties installed at even intervals,
to a proper tightness, and in the same direction.
Extra cable ties are stripped off. All cut are smooth without sharp
projection
The cables layout allows for easy maintenance and future expansion.
All labels and tags at both ends of the cable are legible. That is, both
ends of the cable shall be labeled.
The PGND cable is yellow and green.
The DC grounding cable is black.
The –48V power cable is blue.
The +24 V power cable is black.
No power cable or PGND cable can be short-circuited or reversely
connected.
The power cable and PGND cable shall be bound separately from
other cables.
Huawei Technologies Proprietary
7-2
Chapter 7 Checking Hardware Installation
Check item
Check item
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