Normas ISO

Information technology -- International Standardized Profile RA -- Relaying the Connectionless-mode Network Service-- Part 7: PSDN subnetwork-dependent, media-dependent requirements for virtual calls over a permanent access

Information technology -- International Standardized Profile RA -- Relaying the Connectionless-mode Network Service-- Part 8: Definition of profile RA51.1111, relaying the Connectionless-mode Network Service between CSMA/CD LAN subnetworks and PSDNs using virtual calls over a PSTN leased line permanent access

Information technology -- International Standardized Profile RA -- Relaying the Connectionless-mode Network Service-- Part 9: Definition of profile RA51.1121, relaying the Connectionless-mode Network Service between CSMA/CD LAN subnetworks and PSDNs using virtual calls over a digital data circuit/CSDN leased line permanent access

Coal sizing equipment -- Performance evaluation

Information technology -- Customer premises cabling -- Planning and installation guide to support ISO/IEC 8802-5 token ring stations

Pipe threads where pressure-tight joints are made on the threads-- Part 1: Dimensions, tolerances and designation