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User Manual
Airbridge cBTS3612-450 12-carrier CDMA Base Station
4 cBTS3612-800 Yearly Maintenance Instructions
Items
Call test
Cabinet sanitation
BTS power output
Grounding resistance and
grounding wires
Water-proof performance of
antenna and feeder connector
and lightening protection
grounding clip
Firmness and angle of
antenna
03Q-0112-20020720-120
Instructions
Make calls with an MS. Collect information at both the
MS and the BSC to see if all calls are normal for all
sector carriers.
Tools required: Vacuum cleaner, alcohol and towel.
Test the output power of the RFs.
1). Measure the grounding resistance with proper test
instruments.
2). Check if the connector of the grounding wires are
normal
1). Check the external parts;
2). Unwrap them and check.
1). Tighten the screw with the wrench.
2). Check if the angle are correctly set.
4 cBTS3612-800 Yearly Maintenance
Note
There should be no noise, no call
dropping, nor cross talking.
Impose strict operation regulations
to prevent mis- operation on power
supply.
Check if the output is the same as
recorded in the BSC.
Wrap up the checked parts with
the same material used before the
check.
Do not apply too much force with
the wrench.
Instructions
4-1
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