EN 300 248 : 1.2.1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
Specifies the physical and electrical characteristics (except safety, overvoltage and EMC aspects) and corresponding test principles for a terminal equipment interface for connection to the network termination points of ONP 2 048 kbit/s digital unstructured leased lines using 120 Ohms interfaces.
NBN EN 300 248 : 2001 - Identical
DIN EN 300248 : 2002 - Identical
PN EN 300 248 : 2005 - Identical
NEN EN 300248 : 2001 - Identical
I.S. EN 300 248:2001 - Identical
DS EN 300248 : 2001 - Identical
