SSH IEC 60839-5-4:1991

Sistemet e alarmit - Pjesa 5: Kërkesat për sistemet e transmetimit të alarmit - Seksioni 4: Sistemet e transmetimit të alarmit që përdorin kalim të dedikuar të transmetimit të alarmit

Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths

Scope

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.