天馈线罕有弊病处理(国外英文资料).docVIP

天馈线常见故障处理(国外英文资料) Common fault handling for the day feed line 1, the day feeder installation problem Day feeder during the installation process, due to the installation personnel negligence, shorting day feeder and feeder joint with dust, dirt, and seal aging day feeder joint fracture. The resulting day feeder failures are often difficult to find, especially because of the difficulty of finding the activity barrier caused by the sealing fault. GSM luling base station installation after the completion of phase ii project, the base station commissioning impassability, Siemens personnel to also could not find a few questions, is the base station hardware problems, or cable connection problem, problem of feeder or day? Through to find in many ways, only to find that was due to careless installation personnel, in the production of the assembly, the feeder do a hair of the copper sheet in between the core skin feeder, the feeder short circuit. After reproducing the feeder, the base station was operating normally, but for all the cost of the operation, it was a huge loss of interest to the mobile agency. Feeder in the same way, some days after the installation is met the requirement of the test index, but due to the feeder tail line tie not firm, and the wind and rain, cause the fault sealing, the base station fault occurs. Suzhou Zhu Xianzhuang tail base station of the feeder line tie not firm, normal use after eight months, often because of standing wave ratio alarm, Disable cause base station, we carefully analyze the reason, identified as feeder joint seal because of the wind swaying craze. We reprocessed the receiver, reinforced the feeders tail line, and the station in boby police disappeared. The coverage is expanded from 1 kilometer to 4 to 5 km, increasing the efficiency of the base station. There are so many things like this, if you dont deal with them in time, there will be more problems. 2, the problem of feeding water The occurrence of water problems of the d