1200C-2000C Fire Alarm Control Panel, Repeater, and Black Box Installation Manual 9
Class B loop relay outputs
For Class B loops the common I/O module provides four relay outputs:
• Sounder output (OUT1)
• Fire brigade output (OUT2)
• Fire protection equipment output (OUT3)
• Fault routing output (OUT4)
Two relay configurations are available for each output. The relay behaviour is
configured using jumpers J2 to J7, J12 to J13, and J18 to J19 on the module PCB.
Configuration of outputs 1 to 3
Jumper configuration options for relay outputs 1 to 3 are shown below.
Jumper configuration options for relay outputs 1 to 3 with Class B loops
Output Output number Option 1 Option 2 Comments
Sounder OUT1 J12 IN J12 OUT J18 OUT
J13 OUT J13 IN J19 OUT
Fire brigade OUT2 J2 IN J2 OUT J18 OUT
J3 OUT J3 IN J19 OUT
Fire protection
equipment
OUT3 J4 IN J4 OUT
J5 OUT J5 IN
Figure 8: Jumper configuration options
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