On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
Chapter 1 Daily Maintenance
1-10
II.
Cabinet interior check
Table 1-5
Cabinet Interior check
Items
Instructions
Caution-demanding
issues
Fans
1. Check if the baseband subrack fan is
running properly.
2. Check if the RF module fan is running
properly.
Board or
module
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,
CDU/DFU/DDU): whether all the modules or
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.
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
III.
Dial-up test
Table 1-6
Dial-up test
Items
Instructions
Caution-demanding
issues
Dial-up test
around the
base station
1. Conduct dial-up tests on the base station in
each sector or cell.
2. During the dial-up test, move from sector to
sector and check if the handoff is successful.
3. Check the power indication of the test
mobile station, find out if the base station
power is up to the requirements.
Driving test
Conduct dial-up tests within the coverage area
to test the base station covering range as well
as the handoff function.
If you come across a
problem during the
test, please refer to
"Chapter 2 General
Fault Processing" and
"Chapter 3
Component Failure
Handling".
