CONTENTS

 1     General
        1.1     Scope
        1.2     References
        1.3     Abbreviations
 2     Exchange of information and coordination
 3     Initial measurements of a PDH transmission system or SDH multiplex section
        3.1     General
        3.2     Measurements
 4     Setting up and initial testing of an international PDH or SDH path
        4.1     Setting up the path
        4.2     Initial testing of the path
                  4.2.1     Determining the bringing-into-service limits
                  4.2.2     General considerations on bringing-into-service testing procedure
                  4.2.3     Bringing-into-service paths that are not monitored during operation
                  4.2.4     Bringing-into-service paths that are continuously monitored during operation
                  4.2.5     Description of the extended seven-day bringing-into-service test
        4.3     Bringing-into-service more than one path at the same time on the same higher order path
                  4.3.1     Procedures for new international paths
                  4.3.2     Procedure for bringing-into-service multiple tributaries on an existing higher order path with co-located path end points
        4.4     Contingency planning