DIN ETS 300012 (1992-12)被替代
Integrated Services Digital Network (isdn) - Basic User Network Interface - Layer 1 Specification And Test Principles
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN ETS 300012 (1992-12)
发布时间：1992/12/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：182
标准简介
Gives requirements and test principles for the ISDN basic rate user-network interface including the physical, electrical and functional characteristics and the information exchange with higher layers. This ensures that interface implementations in an ISDN equipment for use with ISDN basic access is portable within Europe with regard to layer 1 interface aspects and that interworking with higher layer protocols for ISDN is supported.
替代本标准的新标准
