ANSI T1.231-2003
Layer 1 In-Service Transmission Performance Monitoring

Standard No.

ANSI T1.231-2003

Release Date

2003

Published By

American National Standards Institute （ANSI)

Latest

ANSI T1.231-2003

Scope

This standard provide performance monitoring (PM) functions and requirements applicable to Layer 1 transmission signals for the covered levels of the North American transmission hierarchy. This standard provides functional requirements to support mainten

ANSI T1.231-2003 history

• 2003 ANSI T1.231-2003 Layer 1 In-Service Transmission Performance Monitoring