1
Table of Contents
The description of Maintenance Manual .................................................................................................. 2
Introduction.............................................................................................................................2
The purpose ...........................................................................................................................2
Chapter1 FWT Principles and Parameters ................................................................................................ 3
1.1 Circuit Makeup and Principle.............................................................................................3
1.2 Hardware structure of the FWT Min-Board Functional Modules .........................................4
1.2.1 TCPU Board Hardware Structure ....................................................................................... 4
1.2.2 PIPU Board Hardware Structure......................................................................................... 5
1.3 Detailed Description of the FWT Main-Board Functional Module........................................6
1.3.1 Subscriber Interface Sub-system......................................................................................... 6
1.3.2 Power Supply and Power Management Sub-System ......................................................... 14
1.3.3 MSM6000 Sub-System .................................................................................................... 21
1.4 Parameter Indices...........................................................................................................25
1.4.1 Performance Indices......................................................................................................... 25
1.4.2 Electric Indices ................................................................................................................ 26
Chapter2 Installing/Uninstalling FWT.................................................................................................... 27
2.1 Installing FWT.................................................................................................................28
2.2 Uninstalling FWT.............................................................................................................30
Chapter3 ETS Maintenance Software..................................................................................................... 31
3.1 Overview.........................................................................................................................31
3.2 Operation Guide..............................................................................................................31
3.2.1 Hardware Connection....................................................................................................... 31
3.2.2 System Configuration ...................................................................................................... 31
3.2.3 Software Upgrade ............................................................................................................ 33
Chapter4 Maintenance Procedures and Solutions to Common Faults .................................................... 35
4.1 Maintenance Procedure ..................................................................................................35
4.1.1 Troubleshooting Procedure of the Baseband Processing Interface Module......................... 35
4.1.2 RF Processing Module Fault Maintenance Procedure........................................................ 41
4.2 Solution to Common Faults: ............................................................................................43
Appendix................................................................................................................................................. 47
5.1
damageable spare part list .........................................................................................47
5.2 keypad command list ......................................................................................................48