Distribution automation using distribution line carrier systems; part 1: general considerations; section four: identification of transmission parameters concerning medium and low voltage distribution mains; identical with IEC 57(Secretariat)114
€48.79
Distribution automation using distribution line carrier systems; part 3: mainsborne signalling requirements; section four: narrow band modem; identical with IEC 57(Secretariat)116
€56.17
Distribution automation using distribution line carrier systems; part 3: mainsborne signalling requirements; section five: interfaces; identical with IEC 57(Secretariat)117
€41.78
Reference configuration for connectivity relations of private telecommunication network exchanges; english version ENV 41004:1992
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
Private Telecommunication Network (PTN); signalling at the S-reference point; data link layer protocol; English version I-ETS 300169:1992
Private Telecommunication Network (PTN); specification, functional models and information flows; control aspects of circuit mode basic services; English version ETS 300171:1992
Private Telecommunication Network (PTN); specification, functional models and information flows; identification supplementary services; English version ETS 300173:1992
Private Telecommunication Network (PTN); addressing; English version ETS 300189:1992
Transmission and multiplexing (TM); optical interfaces for equipments and systems relating to the synchronous digital hierarchy [ITU-T Recommendation G.957 (1993) modified]; English version ETS 300232:1993
