IEC 60839-5-4:1991
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.
SDO:
IEC
Language:
English
ICS Codes:
13.320
Status:
Withdrawn
Publish date:
1991-05-02
Standard Number:
IEC 60839-5-4:1991