China 'GB/T 17535-1998
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17535-1998
Information technology--Telecommunications and information exchange between systems--Interface connector and contact assignments for ISDN basic access interface located at reference points S and T 信息技术 系统间远程通信和信息交换 在S和T参考点上定位的ISDN基本接入接口用的接口连接器和接触件分配
Issued Date:1998-11-05
Implemented Date:1999-06-01
Issued by:
The Standardization Administration of the People's Republic of China