YD/T 974-1998
Specifications and Measurement Methods for SDH Digital Cross Connect Equipment (SDXC) (English Version)

Standard No.

YD/T 974-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

Professional Standard - Post and Telecommunication

Latest

YD/T 974-1998

Replace

YDN 002-1996

Scope

This standard specifies the type, functional requirements, performance requirements, interface requirements, working environment requirements, operation management and maintenance requirements of SDH digital cross-connect equipment. It does not limit the specific implementation method of the equipment, nor does it involve specific technical details of the equipment. This standard specifies the basic test methods for SDH digital cross-connect equipment. This standard does not specify the technical requirements and test methods for DXCI/0 type equipment. This standard is the basic technical basis for the research and development, routine testing, factory acceptance, introduction and maintenance operation of SDH digital cross-connect equipment. This standard applies to SDH digital cross-connect equipment on public networks, and also applies to similar equipment in private telecommunications networks. The test methods of this standard can be used as a reference for actual engineering testing.

YD/T 974-1998 history

• 1998 YD/T 974-1998 Specifications and Measurement Methods for SDH Digital Cross Connect Equipment (SDXC)

YD/T 974-1998 Specifications and Measurement Methods for SDH Digital Cross Connect Equipment (SDXC) has been changed from YDN 002-1996 Technical requirements for SDH digital cross-connect equipment (SDXC) (provisional regulations).