ANSI T1.231.04-2003
SONET - Layer 1 In-Service Digital Transmission Performance Monitoring

Standard No.

ANSI T1.231.04-2003

Release Date

2003

Published By

American National Standards Institute （ANSI)

Latest

ANSI T1.231.04-2003

Scope

This standard provides performance monitoring (PM) functions and requirements applicable to SONET digital transmission. This standard provides functional requirements to support maintenance and is not meant to be an equipment specification.

ANSI T1.231.04-2003 history

• 2003 ANSI T1.231.04-2003 SONET - Layer 1 In-Service Digital Transmission Performance Monitoring