Silent Knight SK-ISO RAFA RS-232 Communication Card

RS-232 Communication Card

i3 has red and green LEDs to simplify local status indication during power-up

and provides wiring terminals for connection to a GSA-LED

QS4’s exclusive QuickStart auto-learn function

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Silent Knight SK-ISO RAFA RS-232 Communication CardThe SK ISO is an addressable line isolator module for use with the Honeywell Silent Knight Series fire alarm control panels (FACPs). The SK ISO acts as an automatic switch that opens when the line voltage on the signaling line circuit (SLC) loop drops below four volts. Isolator modules should be spaced between groups of sensors or modules in a loop to protect the rest of the loop. If a short occurs between any two isolators, then both isolators