Contents
Preface
...............................................................
i
Product
Overview
..............................................
1
Position in the
Network....................................................
1
Product
Appearance
........................................................
2
Product
Functions
...........................................................
3
Product Services............................................................. 5
Product Features
............................................................
5
External Interfaces
.........................................................
6
Application
Scenarios
.....................................................10
Product
Reliability
..........................................................10
Standard
Compliance
.....................................................12
Working
Principle
............................................
15
System Architecture.......................................................15
Signal
Flow
...................................................................16
Service Signal
Flow
....................................................16
Control Signal
Flow
....................................................18
Clock Signal Flow ......................................................18
Power Distribution .........................................................19
Ventilation and Heat-dissipation Principles.........................21
Networking and
Configuration.........................
25
Abis Interface Networking...............................................25
Baseband-RF Interface Networking ..................................26
Cabinet Configuration.....................................................27
Board
Configuration
.......................................................30
Equipment Management
Modes
.......................
33
OMC
Mode
....................................................................33
LMT Mode.....................................................................34
Technical Indices
............................................
35
Engineering Indices .......................................................35
Performance Indices ......................................................35
Clock Parameters...........................................................36