文档介绍：INTERNATIONAL MUNICATION UNION

ITU-T
MUNICATION (06/2004)
STANDARDIZATION SECTOR
OF ITU

SERIES G: TRANSMISSION SYSTEMS AND MEDIA,
DIGITAL SYSTEMS WORKS
Transmission media characteristics – Characteristics of
ponents and subsystems

Optical monitoring for DWDM systems

ITU-T mendation
ITU-T G-SERIES MENDATIONS
TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS WORKS

INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS –
GENERAL MON TO ALL ANALOGUE CARRIER- –
TRANSMISSION SYSTEMS
INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE –
SYSTEMS ON METALLIC LINES
GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE –
SYSTEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION WITH
METALLIC LINES
COORDINATION OF RADIOTELEPHONY AND LINE TELEPHONY –
Radiotelephone circuits –
Links with mobile stations –
TESTING EQUIPMENTS –
TRANSMISSION MEDIA CHARACTERISTICS –
General –
Symmetric cable pairs –
Land coaxial cable pairs –
Submarine cables –
Optical fibre cables –
Characteristics of ponents and subsystems –
DIGITAL TERMINAL EQUIPMENTS –
WORKS –
DIGITAL SECTIONS AND DIGITAL LINE SYSTEM –
QUALITY OF SERVICE AND PERFORMANCE - GENERIC AND USER-RELATED –
ASPECTS
TRANSMISSION MEDIA CHARACTERISTICS –
DIGITAL TERMINAL EQUIPMENTS –
WORKS –

For further details, please refer to the list of ITU-T mendations.
ITU-T mendation
Optical monitoring for DWDM systems

Summary
This mendation defines Optical Monitoring (OM) that can help in DWDM systems to
perform the following activities:
– Configuration management for system and channel activation, addition of new channels,
etc.;
– Fault management