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2.2 General Notes
Circuits
Refers to a physical electrical interface for the analog loop, indicating signals or relays, and
common alarm, supervisory, and trouble relay outputs.
Zone/Group
Is a logical concept for a Fire Alarm Protected Area, and will consist of at least one Circuit. The
FX-400 uses Groups extensively to facilitate bypass of multiple input and output points.
Display Points
The FX-400 LCD display annunciates the status of the system and connected devices.
Wiring Types
The addressable (SLC) loop can be configured system-wide as Class B or Class A. With the
addition of isolators, a Class A loop will become a Class X.
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