Locating fault equipment If BSC has fault, usually it will affect some Sites or all of Sites If BTS has fault, usually it just affect itself and the handover success rate of adjacent cells During implementation or expansion, we can “Interchange ” BTS and judge whether the fault is because of BSC or BTS During maintenance, BSC faults don’t just affect one BTS | OME200301 GSM BTS Trouble Shooting ISSUE References M900/M1800 Base Station Subsystem Troubleshooting Manual M900/M1800 Base Station Controller Technical Manual Page Upon completion of this course, you will be able to: Know how to find the fault in BTS Know the common fault types Grasp BTS fault disposal method Know how to prevent the fault Objectives Page Contents Chapter 1 General Introduction Chapter 2 Typical Cases Chapter 3 BTS Fault Prevention Page Contents Chapter 1 General Introduction Section 1 The Way To Locate Fault Section 2 Basic Disposal Method Page The ways to locate faults Alarm Alarm console Alarm box OMC Shell Traffic statistics Drive test Routine inspection Customer complain Page Locating fault equipment If BSC has fault, usually it will affect some Sites or all of Sites If BTS has fault, usually it just affect itself and the handover success rate of adjacent cells During implementation or expansion, we can “Interchange ” BTS and judge . | OME200301 GSM BTS Trouble Shooting ISSUE References M900/M1800 Base Station Subsystem Troubleshooting Manual M900/M1800 Base Station Controller Technical Manual Page Upon completion of this course, you will be able to: Know how to find the fault in BTS Know the common fault types Grasp BTS fault disposal method Know how to prevent the fault Objectives Page Contents Chapter 1 General Introduction Chapter 2 Typical Cases Chapter 3 BTS Fault Prevention Page Contents Chapter 1 General Introduction Section 1 The Way To Locate Fault Section 2 Basic Disposal Method Page The ways to locate faults Alarm Alarm console Alarm box OMC Shell Traffic statistics Drive test Routine inspection Customer complain Page Locating fault equipment If BSC has fault, usually it will affect some Sites or all of Sites If BTS has fault, usually it just affect itself and the handover success rate of adjacent cells During implementation or expansion, we can “Interchange ” BTS and judge whether the fault is because of BSC or BTS During maintenance, BSC faults don’t just affect one BTS Page Common fault types BTS fault Antenna & Feeder Transmission Hardware connection fault Hardware fault Page Contents Chapter 1 General Introduction Section 1 The Way To Locate Fault Section 2 Basic Disposal Method Page Basic disposal method Analyzing the Alarm Information Alarm information come from the BSS alarm system, indicated usually through sound, light, LED, and screen output, etc It includes the detailed description of the abnormality, possible causes and restoration suggestions, involves the hardware, link, trunk and CPU loading ratio, etc It is a gist for the fault analysis and location Analyzing the Indicator Status Indicators can indicate the work status of circuit, link, optical path, node and active/standby mode besides that of the corresponding boards, usually used along with the alarm information generally Analyzing Traffic Statistics Result It is the most .
