SJ 20622-1997
General specification for military subscribers access node switchboards (English Version)

Standard No.

SJ 20622-1997

Language

Chinese, Available in English version

Published By

Professional Standard - Electron

Latest

SJ 20622-1997

Scope

This specification specifies the classification, requirements, quality assurance regulations and delivery preparation of military user entry node switches. This specification applies to the design, manufacturing, inspection and acceptance of military user entry node switches.

SJ 20622-1997 history

• 1970 SJ 20622-1997 General specification for military subscribers access node switchboards