V-Interfaces at the Service Node (SN):Protocol Implementation Conformance Statements for Interfaces at VB5 Reference Points - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital
This ITU-T Recommendation defines the Protocol Implementation Conformance Statements (PICS)
for protocols across the VB5 reference point as a supporting tool to ensure the interoperability of
Access Network and Service Nodes connected via interface(s) a