33.020 : Télécommunications en général
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UNE-EN IEC 61918:2018/AC:2019-03
Industrial communication networks - Installation of communication networks in industrial premises (Endorsed by Asociación Española de Normalización in April of 2019.)
01/04/2019 - PDF - Anglais -
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UNE-TBR 21:1999 ERRATUM
TERMINAL EQUIPMENT (TE). ATTACHMENT REQUIREMENTS FOR PAN-EUROPEAN APPROVAL FOR CONNECTION TO THE ANALOGUE PUBLIC SWITCHED TELEPHONE NETWORKS (PSTNS) OF TE (EXCLUDING TE SUPPORTING THE VOICE TELEPHONY SERVICE) IN WHICH NETWORK ADDRESSING, IF PROVIDED, IS BY MEANS OF DUAL TONE MULTI FREQUENCY (DTMF) SINGALLING.
17/03/1999 - PDF - Espagnol -
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