NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Project
Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling
Begin
1999-01-01
Planned document number
prEN 60839-7-12
Responsible national committee
DKE/UK 713.1 - Gefahrenmelde- und Überwachungsanlagen
