EN 300 248 V1.2.1 (2001)現行
Access and Terminals (AT); 2 048 kbit/s digital unstructured leased line (D2048U); Terminal equipment interface
出版：European Telecommunications Standards Institute
專家解讀視頻
ONORM EN 300248:2001 - Identical
DIN EN 300248 (2002-01) - Identical
NBN EN 300 248:2001 - Identical
I.S. EN 300 248:2001 - Identical
PN EN 300 248:2005 - Identical
SS EN 300248 Ed. 1 (2001) - Identical
NEN EN 300248:2001 - Identical
