BS 6789-2:1992. Apparatus with one or more particularfunctions for connection to public switched telephone networks run bycertain public telecommunication operators. Specification forapparatus with loudspeaking facilities
€316.00
Specification for social alarm system apparatus for connection to public switched telephone networks
€165.00
Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
Information technology. Telecommunications and information exchange between systems. Intermediate system to Intermediate system intra-domain routeing information exchange protocol for use in conjunction with the protocol for providing the connectionless-mode network service (ISO 8473)
€404.00
Distribution automation using distribution line carrier systems; part 4: data communication protocols; section 3: data link layer; clause 1: medium access control; identical with IEC 57(Secretariat)119
€116.64
Public Switched Telephone Network (PSTN); category II attachment requirements for 9600 or 4800 bits per second duplex modems standardized for use on the PSTN; english version ETS 300002:1992
€98.32
Attachments to the Public Switched Telephone Network (PSTN); basic attachment requirements for modems standardized for use on the PSTN; english version ETS 300114:1991
Attachments to the Public Switched Telephone Network (PSTN); category II attachment requirements for 300 bits per second duplex modems standardized for use on the PSTN; english version ETS 300115:1991
€77.20
Attachments to the Public Switched Telephone Network (PSTN); category II attachment requirements for 1200 bits per second duplex modems standardized for use on the PSTN; english version ETS 300116:1991
Attachments to the Public Switched Telephone Network (PSTN); category II attachment for 1200 bits per second half duplex and 1200/75 bits per second asymmetrical duplex modems standardized for use on the PSTN; english version ETS 300118:1991
Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular to telecommunications electronics Telegraphy, facsimile data communication
€374.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the simple call routeing mode PBX operation with PSTN and terminating stations treated as an entirety
€193.00
Reference configuration for connectivity relations of private telecommunication network exchanges; english version ENV 41004:1992
€41.78
Distribution automation using distribution line carrier systems; part 1: general considerations; section one: architecture; identical with IEC 57(Secretariat)112
€63.27
Distribution automation using distribution line carrier systems; part 1: general considerations; section three: glossary; identical with IEC 57(Secretariat)113
€56.17