This ETS specifies the characteristics of an access digital section for Integrated Services Digital Network (ISDN) primary rate access between the user network interface (at the T reference point, defined in ETS 300 011 (1) and the local exchange (at the V 3 reference point, defined in CCITT Rec.Q512. The requirements of this ETS satisfy network performance requirements of CCITT Rec. G.821 A5E on error performance as well as G.801 and I.350 with regard to availability. This ETS does not specify the requirements of the digital trans-
DS/ETS 300233-1994由丹麦标准化协会 DK-DS 发布于 1994-07-27,并于 1994-07-27 实施。
DS/ETS 300233-1994在国际标准分类中归属于: 33.080 综合业务数字网(ISDN)。
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