Huawei Airbridge CBTS3612-800 User Manual page 9

User Manual
Airbridge cBTS3612-450 12-carrier CDMA Base Station
3 Quarterly Maintenance Instructions
Items
Primary power supply Measure the output voltage.
1) Check if the fans are working normally.
Fans 2) Check if there is any alarm reported on the fault
of fans.
Test on the handoff and coverage area of the cells
Road test
with a test MS.
Check at the maintenance console if there is any
VSWR
VSWR alarms.
Alarm collection Check if the alarm collection equipment (including
equipment that on humidity, temperature and fire) is normal.
Check the temperature, humidity, dust-proof
Equipment room
performance, and anti-static performance of the
environment
equipment room.
03Q-0112-20020720-120
Instructions
3 Quarterly Maintenance Instructions
Note
Range of normal output voltage: -40- 60V.
Alarm may be triggered when:
1) Some of the fans are unable to rotate;
2) Temperature of some of the fans is
abnormal;
3) Fan rotational speed control is faulty.
Temperature: -5®C~50®C.
Relative humidity: 5%~90%.
3-1