Frame relay services - Part 3: Frame relay data transmission service; service definition; English version ETS 300399-3:1995
€41.78
Frame relay services - Part 1: General description; English version ETS 300399-1:1995
€105.42
Safety - Remote Power Feeding Installations - Safety requirements for the erection and operation of information technology installations with remote power feeding (Endorsement of the English version EN 302 999 V1.2.1 (2013-03) as German standard).
€16.45
Environmental Engineering (EE) - Powering of equipment in access network (Endorsement of the English version EN 302 099 V2.2.1 (2021-02) as a German standard).
€0.00
Environmental Engineering (EE) - Powering of equipment in access network (Endorsement of the English version EN 302 099 V2.1.1 (2014-08) as German standard).
Management of the European Telephony Numbering Space (ETNS) (Endorsement of the English version EN 301161 V 1.2.1 (2002-01) as German standard).
Vocabulaire électrotechnique. Groupe 65. Radiotélégraphie et radiotéléphonie : télégraphié, transmission de données, téléphonie.
€119.00
€52.50
Installations électriques à basse tension - Guide pratique - Mise en oeuvre et cohabitation des réseaux de puissance et des réseaux de communication dans les installations des locaux d'habitation, du tertiaire et analogues
€138.50
RECOMMENDED GRAPHICAL SIMBOLS. TELEPHONY, TELEGRAPHY AND TRANSDUCERS
€64.00
Amendment to IEC 27-2; traffic intensity unit; identical with IEC 25(CO)105
€34.30
IEC 60050-721:1991/AMD1:2016 Amendement 1 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
€12.00
PARTICULAR SAFETY REQUIREMENTS FOR EQUIPMENT TO BE CONNECTED TO TELECOMMUNICATION NETWORKS.
€58.00
IEC 60050-721:1991/AMD3:2018 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
IEC 60050-721:1991/AMD2:2017 Amendement 2 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
