Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Symbols and abbreviations
3.1 Symbols
3.2 Abbreviations
4 Network and system considerations
5 General characteristics
5.1 Baseband interface
5.2 Frequency bands and channel arrangements
5.3 Modes of operation
5.4 Environmental conditions
5.5 Power supply
5.6 Telecommunications Management Network (TMN)
    interface
5.7 System block diagram
5.8 Antenna system
6 Transmitter characteristics
6.1 Output power
6.2 Automatic Transmit Power Control (ATPC)
6.3 RF spectrum mask
6.4 Discrete CW lines exceeding the spectrum mask
    limit
6.5 Spurious emissions
6.6 Radio frequency tolerance
6.7 Return loss
7 Receiver characteristics
7.1 Receiver image rejection
7.2 Spurious emissions
7.3 Input level range
7.4 Return loss
8 System characteristics without diversity
8.1 Equipment background BER
8.2 BER as a function of receiver input level
8.3 Interference sensitivity
8.4 Distortion sensitivity
9 System characteristics with diversity
9.1 Space/angle diversity
9.2 Frequency diversity
Annex A (informative): Additional information
A.1 ATPC
A.2 Differential delay compensation range
Annex B (informative): Compatibility
B.1 Compatibility with analogue channels on the
    same route
B.2 Compatibility with 16 QAM systems on the
    same route
Annex C (informative): Bibliography
History

Abstract

This standard specifies parameters for digital radio-relay systems with Transport Module-level 4, (1 x STM-4), interface, and in addition, optional 140 Mbit/s PDH interfaces.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TM 4