ZXG10 BS21 (V2.2) Compact Outdoor BTS for GSM Maintenance Manual
234
Confidential and Proprietary Information of ZTE CORPORATION
Figure 51 Performance Report Wizard 2.........................................................51
Figure 52 Please Select Time (Month) ...........................................................51
Figure 53 Select Start and Stop Date ............................................................52
Figure 54 Monthly Report Display Result........................................................52
Figure 55 Performance Report Wizard 1.........................................................53
Figure 56 Bad Cell Report............................................................................54
Figure 57 Performance Report Wizard 1.........................................................54
Figure 58 Select Analyzed Objects ................................................................55
Figure 59 Performance Report Wizard 2.........................................................55
Figure 60 Please Select Time (Month) ...........................................................56
Figure 61 Select Start Time and Stop Date ....................................................56
Figure 62 Display of Bad Cell Report .............................................................57
Figure 63 CKU Correction ............................................................................71
Figure 64 Rotary Goniometer with Air Bleeder ................................................73
Figure 65 Measuring Obliquity......................................................................73
Figure 66 Adjusting Lower Tilting Angle .........................................................74
Figure 67 BS Fault Locating Flow Chart .......................................................131
Figure 68 AEM Fault Locating Flow..............................................................133
Figure 69 Fault Locating Flow Chart for Poor Conversation Quality Faults..........135
Figure 70 Fault Locating Flow Chart of Shrinkage of BS Coverage....................138
Figure 71 Fault Locating Flow Chart for Cell Carrier not Being Occupied............141
Figure 72 Fault Locating Flow Chart for Carrier LAPD Broken-Link at a Site .......143
Figure 73 Fault Locating Flow Chart for Wide-Spread Transient Interruption of BS
Carrier LAPD ....................................................................................145
Figure 74 Fault Locating Flow Chart for LAPD Board ......................................146
Figure 75 Fault Locating Flow for a Normal BS but with Abnormal BS Handover.148
Figure 76 Fault Locating Flow Chart for Lightning-Stricken BS.........................150
Figure 77 Fault Locating Flow Chart for Unstable MS Signal in Idle State ..........152
Figure 78 Fault Locating Flow Chart for Unstable MS Signals in Conversation ....153
Figure 79 Fault Locating Flow Chart for Low TCH Assignment Success Ratio and
Phones Being Difficult to Get Through ..................................................155
Figure 80 Fault Locating Flow Chart for MS Echoes in Conversation .................157
Figure 81 Fault Locating Flow Chart of Unidirectional Mobile Phone Calls ..........159
Figure 82 Fault Locating Flow Chart of SDCCH Being Occupied too Long...........161
Figure 83 Fault Locating Flow of Sudden Rising Call Drop Rate in a Cell............165
Figure 84 Sites Distribution .......................................................................169
Figure 85 Root Menu ................................................................................203
Figure 86 Screen 1 of Network Data of Serving cell in Idle Status....................204
Figure 87 Screen 2 of Network Data of Serving cell in Idle Status....................204
Figure 88 Screen 3 of Network Data of Serving cell in Idle Status....................205
Figure 89 Screen 4 of Network Data of Serving cell in Idle Status....................205
Figure 90 Screen 1 of Network Data of Serving cell in Communication Status....206
Figure 91 Screen 2 of Network Data of Serving cell in Communication Status....206
Figure 92 Screen 3 of Network Data of Serving cell in Communication Status....207
Figure 93 Screen 4 of Network Data of Serving cell in Communication Status....207
Figure 94 TRACE Menu..............................................................................209
Figure 95 SIM Menu .................................................................................210
Figure 96 COUNTERS Menu .......................................................................210
Figure 97 BIRD Power Meter Components....................................................215
Figure 98 Test Connection of Power Meter ...................................................216
Figure 99 Connection of Matching Load (Measuring Forward Power).................216
Figure 100 Connection of Matching Load (Measuring Reverse Power) ...............217
Figure 101 Structure of HP8954E Spectrum Analyzer.....................................218
Figure 102 Connection Diagram for RF Measurement.....................................219
Figure 103 Transmission Path of RF Signal...................................................220
Figure 104 3 dB Bandwidth of Signal...........................................................221
Figure 105 Illustration for Method of UP/LOW LIMIT LINE...............................221
