ITU-T M.556-1988
Setting up and Initial Testing of Digital Channels on an International Digital Path or Block - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits

Standard No.

ITU-T M.556-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Latest

ITU-T M.556-1988

Scope

The definition of a digital channel is given in Recommendation M.300.Procedures in CCITI Recommendation M.555 for bringing-into-service digital blocks and digital paths are adequate to ensure satisfactory operation of digital channels which are provided on the respective digital blocks or paths.No specific tests are required for individual digital channels.

ITU-T M.556-1988 history

• 1988 ITU-T M.556-1988 Setting up and Initial Testing of Digital Channels on an International Digital Path or Block - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits