Historical
T1.231-2003
Layer 1 In-Service Digital Transmission Performance Monitoring
This standard provides 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 maintenance and is not meant to be an equipment specification. This standard, and its subparts, supercedes and replaces T1.231-1997 in its entirety.
CONTENT PROVIDER
Alliance For Telecommunications Industry Solutions [atis]
Alliance For Telecommunications Industry Solutions [atis]