This fifth part of EN 301 003 specifies the network Test Suite Structure and Test Purposes (TSS&TP) for the TB reference point or coincident SB and TB reference point (as defined in ITU-T Recommendation I.413 [[5]) of implementations conforming to the standards for the signalling user-network layer 3 specification for Peak cell rate modification by the connection owner of the Digital Subscriber Signalling System No. 2 (DSS2) protocol for the pan-
European Broadband Integrated Services Digital Network (B-ISDN), EN 301 003-1 [3].
A further part of the present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma based on the present document.