ETS 300 290 Ed.1 (1994)现行
Access and Terminals (AT); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); Terminal equipment interface
出版：European Telecommunications Standards Institute
专家解读视频
Specification of the terminal equipment side of the interface and test procedures for compliance.
Supersedes BS 6328-8.2(1993)
SS ETS 300 290:1994 - Identical
PN ETS 300 290:2005 - Identical
DIN ETS 300290 (1994-06) - Identical
ONORM ETS 300290:1996 - Identical
NF ETS 300 290:1995 - Identical
UNE ETS 300290:1999 - Identical
