NOKIA Base Station Troubleshooting Cases Base Station Troubleshooting Cases Summary This case brings together the actual problems encountered by base station engineers at work. It is hoped that base station engineers will pay more attention to the problems in actual work and summarize them for experience sharing. Cases are indexed by alarm number or fault phenomenon. Index: Just move the mouse to the page number and click!!!1. Alarm number: 7939 32. High call drop rate in SUPER layer 43. High call drop rate in carrier unit 44. Poor voice quality in base station downlink 45. Transmission problem 46. Frequency interference problem in LOOP TEST 57. Problems that may be encountered in the process of LOADING BTS SW 68. Using two PCM 2M ports to transmit to achieve 8+8+8 configuration of second-generation base station 69. The order of hierarchical antenna is reversed 610. No traffic in the sector 711. Case title: 7533 712. Case title: 7838 7839 713. Case title: 7810 814. Case title: 7860 815. Case title: 7937 False alarm 816. Case title: LAPD LINK FAILURE 917. Case title: OMUSIG FAILU……
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