China 'GB/T 16816-1997
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 16816-1997
A 48/56/64 kbit/s data circuit terminating equipment standardized for use on digital point-to-point leased circuits 点对点数字租用电路上使用的48/56/64kbit/s数据电路终接设备技术要求
Issued Date:1997-05-28
Implemented Date:1998-02-01
Issued by:
The Standardization Administration of the People's Republic of China