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Draft standard

OEVE/OENORM EN 60839-7-11
Alarm systems - Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use in digital communication systems using CCITT V23 signalling at interfaces with the PSTN (IEC 79/182/CDV)

Edition 1999-10-01
Original language English
Price On Request
Table of contents