Withdrawn
Specifies the requirements for alarm transmission systems using dedicated alarm transmission paths which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers dedicated connections providing signalling continuity between an alarm system and the presentation of alarm system information at an alarm receiving centre.
WITHDRAWN
SSH IEC 60839-5-4:1991
95.99
Withdrawal of Standard
Apr 25, 2019
PUBLISHED
SSH IEC 60839-7-12:2001