Ericsson RBS 2101 Manuals

Manuals and User Guides for Ericsson RBS 2101. We have 1 Ericsson RBS 2101 manual available for free PDF download: Maintenance Manual

Ericsson RBS 2101 Maintenance Manual (332 pages)

GSM System

Brand: Ericsson | Category: Modem | Size: 2 MB

Table of Contents
5
Preface
11
Customer Documentation Library
11
Target Group
12
How to Use this Manual
12
Denominations of Rus
13
Release History
15
Safety Instructions
19
Warnings
19
Notes
20
Beryllium Oxide (Beo)
21
Electrical Hazards
23
Batteries
26
Working at Heights
28
Radio Frequency Radiation
30
Other Hazards
31
Tools and Instruments
33
Test Equipment
33
Omt
33
Personal Tool Kit, LTT 601 042/1
34
Special Tools
36
Tents
37
References
38
Maintenance Process Overview
39
General
39
Fault Handling Workflow
40
Fault Analysis from OMC
40
RBS Maintenance Process
42
Fault Cases
43
Handling of the RBS During Maintenance
47
Numbering of Rus
47
Update of IDB
47
Working in Cold Weather Conditions
47
Temperature Requirements for an RU
47
General Instructions for Replacement of an RU
48
Cable Connections
49
About the Locking Mechanism
50
Fault Localisation
51
Circuit Breakers and Fuses
51
Accu
53
Air Conditioner
57
ALNA A, ALNA B, ALNA/TMA a and , ALNA/TMA B
62
Antenna
67
Battery
71
Bdm/IDM
78
CAB HLIN Cable
79
Cdu
79
CDU Bus
81
CDU HLOUT HLIN Cable
85
CDU RX in Cable
89
CDU-TRU PFWD Cable and CDU-TRU PREFL Cable
92
CDU-TRU RXA Cable and CDU-TRU RXB Cable
95
DC/DC Converter
98
DPX RXIN Cable
99
Dxu
100
Ecu
103
Environment
106
External Alarms
108
Fan
114
Heater
116
Heat Exchanger External Fan
126
Heat Exchanger Internal Fan
132
Humidity Sensor
138
Local Bus
139
Power Communication Loop
141
Psu
144
PSU DC Cable
146
Rbs Db
148
Temperature Sensors
149
Timing Bus
154
TMA a and TMA B
156
Tru
156
Bus
159
Corrective Action
163
Local/Remote Mode
163
Accu
165
ACCU - Single-Phase Version
165
ACCU - Three-Phase Version
174
Air Conditioner
184
Alna
186
Batteries
188
Bdm
192
Ccu
194
Cdu
198
CDU Bus
200
CDU-TRU RX Cables
202
CDU-TRU TX Cables
204
DC Filter
205
Dxu
208
DXU/ECU Backplane
210
Ecu
212
Fans
213
Fcu
213
Heater
215
Heat Exchanger Fans
217
HLIN and HLOUT Cables
222
Humidity Sensor
223
IDM
225
OVP Box
227
Psu
228
PSU DC Cable
229
Rbs Db
230
RX Antenna Feeder
230
Temperature Sensors
232
Tru
233
TRU Backplane
235
TX Antenna Feeders
235
Varistors
237
Test after Corrective Action
239
How to Use Test after Corrective Action
239
Test Call
239
Climate System Test
241
Before Leaving the Site
245
Concluding Routines
247
Report of Finished Work
247
Repair Delivery Note - "Blue Tag
247
Handling of Replaced Parts and Rus
248
Transport of a Repairable Unit
250
Trouble Report on Equipment or on this Manual
250
Trouble Report
252
Fault Code List
255
Terminology
255
Decoding of Fault Maps
257
SO Fault Lists
258
AO Fault Lists
264
Optical Indicators
269
Preventive Maintenance
271
Preventive Maintenance Process
271
Preventive Maintenance Intervals
274
DXU Maintenance
274
Climate Unit Maintenance
276
Antenna System Maintenance
283
Battery Maintenance
285
Fans Replacement
288
DXU Maintenance, Oscillator Verification
288
Checklist before Leaving the Site
288
Cable Connections
289
Interchanging CDU-C and CDU-C
289
Cable Set Modules
290
CDU-A and CDU-C
291
CDU-C+ Used as CDU-C
294
DXU/ECU Backplane
297
Positioning of Rus
301
Frequency Lists
303
Gsm 900
303
Gsm 1800
305
Gsm 1900
307
Country Codes
311
Glossary
319

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