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)
專家解讀視頻
基本信息
標準編號： DIN ETS 300012 (1992-12)
發布時間：1992/12/1 0:00:00
標準類別：Standard
出版單位：German Institute for Standardisation (Deutsches Institut für Normung)
標準頁數：182
標準簡介
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.
替代本標準的新標準
