YD/T 1022-2018
Synchronous Digital Hierarchy (SDH) equipment functional requirements (English Version)

Standard No.

YD/T 1022-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

工业和信息化部

Latest

YD/T 1022-2018

Replace

YD/T 1022-1999

YD/T 1022-2018 history

• 2018 YD/T 1022-2018 Synchronous Digital Hierarchy (SDH) equipment functional requirements
• 1999 YD/T 1022-1999 Requirement of synchronous digital hierarchy (SDH) equipment function