EN 300 290 : 1.2.1現行
ACCESS AND TERMINALS (AT); 64 KBIT/S DIGITAL UNRESTRICTED LEASED LINE WITH OCTET INTEGRITY (D64U); TERMINAL EQUIPMENT INTERFACE
出版：European Telecommunications Standards Institute
專家解讀視頻
Provides 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 64 kbit/s digital unrestricted leased lines with octet integrity.
I.S. EN 300 290:2001 - Identical
DIN EN 300290 : 2002 - Identical
NEN EN 300290 : 2001 - Identical
PN EN 300 290 : 2005 - Identical
DS EN 300290 : 2001 - Identical
NBN EN 300 290 : 2001 - Identical
