ITU-T O.161 FRENCH-1988
IN-SERVICE CODE VIOLATION MONITORS FOR DIGITAL SYSTEMS

Standard No.

ITU-T O.161 FRENCH-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Latest

ITU-T O.161 FRENCH-1988

Scope

This specification describes an in-service code violation monitor for the first and second level in the digital transmission hierarchy. The pseudoternary codes to be monitored are alternate mark inversion (AMI), high density bipolar with a maximum of 3 consecutive zeros (HDB3), B6ZS and B8ZS.

ITU-T O.161 FRENCH-1988 Referenced Document

• ITU-T G.703 Physical/electrical characteristics of hierarchical digital interfaces*， 2016-03-31 Update

ITU-T O.161 FRENCH-1988 history

• 1988 ITU-T O.161 FRENCH-1988 IN-SERVICE CODE VIOLATION MONITORS FOR DIGITAL SYSTEMS