Table of Contents
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On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
II.
Cabinet interior check
Table 1-5 Cabinet Interior check
Items
1. Check if the baseband subrack fan is
running properly.
Fans
2. Check if the RF module fan is running
properly.
1. Check if the indicators of all boards and
modules are working properly.
2. Check all the RF modules and units
(including BTRM, BHPA, RLDU,
Board or
CDU/DFU/DDU): whether all the modules or
module
units are secured in position, screws in the
panels are properly tightened. Make sure the
panel is in a seamless contact with the front of
cabinet subrack.
III.
Dial-up test
Table 1-6 Dial-up test
Items
1. Conduct dial-up tests on the base station in
each sector or cell.
Dial - up test
2. During the dial-up test, move from sector to
around the
sector and check if the handoff is successful.
base station
3. Check the power indication of the test
mobile station, find out if the base station
power is up to the requirements.
Conduct dial - up tests within the coverage area
Driving test
to test the base station covering range as well
as the handoff function.
Chapter 1 Daily Maintenance
Instructions
Instructions
1-10
Caution-demanding
issues
1. To judge if the parts
are working properly,
refer to "Chapter 5
Component
Indicators".
2. If there is anything
wrong, please refer to
"Chapter 3
Component Failure
Handling" for advice
Caution-demanding
issues
If you come across a
problem during the
test, please refer to
"Chapter 2 General
Fault Processing" and
"Chapter 3
Component Failure
Handling".
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Table of Contents
Troubleshooting
