ETS 300 248 Ed.1 (1993)现行
Access and Terminals (AT); 2 048 kbit/s digital unstructured leased line (D2048U); Terminal equipment interface
出版：European Telecommunications Standards Institute
专家解读视频
Candidate access CTR for any apparatus intended for connection to this form of leased circuit.
SS ETS 300 248:1993 - Identical
PN ETS 300 248:2005 - Identical
ONORM ETS 300248:1996 - Identical
DIN ETS 300248 (1994-04) - Identical
NF ETS 300 248:1995 - Identical
UNE ETS 300248:1999 - Identical
