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3.0 Conventions
3.1 Circuits
Refers to an actual electrical interface for Initiating (Detection) and Indicating (Signal) or
Relays.
3.2 Zone
Is a logical concept for a Fire Alarm Protected Area, and will consist of at least one Circuit.
Often the terms Zone and Circuit are used interchangeably, but in this Manual the term Circuit
is used.
3.3 Events
There are events associated with every initiating, indicating and common circuit of the fire
panel displayed via the LCD.
3.4 Wiring Styles
Initiating and indicating circuits are Class B (Style B and Y). Changing the initiating circuits to
Class A requires an MR-2300-A adder board which will convert SIX initiating zones from Class
B (Style B) circuits to Class A (Style D). This is done without penalizing the number of circuits,
which remains the same as in Class B (Style B). Changing the indicating circuits to Class A
requires an MR-2300-NC4 adder board which will convert FOUR indicating zones from Class
B (Style Y) circuits to Class A (Style Z) or an MR-2300-NC2 adder board which will convert
TWO indicating zones from Class B (Style Y) circuits to Class A (Style Z).
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