SJ 2783-1987
Technical requirements for dispatching telephone main stations (English Version)

Standard No.
SJ 2783-1987
Language
Chinese, Available in English version
Release Date
1987
Published By
Professional Standard - Electron
Latest
SJ 2783-1987
Scope
This standard applies to special communication equipment for dispatch telephone switchboards used for dispatch and command in fixed indoor facilities on the ground. This standard does not apply to dispatch telephone switchboard communication equipment in special environments (such as high temperature, high humidity, corrosion and explosion). This standard is formulated with reference to FOCT15903-78 "General Technical Requirements and Test Methods for Dispatching Telephone Communication Equipment".

SJ 2783-1987 history

  • 1987 SJ 2783-1987 Technical requirements for dispatching telephone main stations
Technical requirements for dispatching telephone main stations



Copyright ©2024 All Rights Reserved