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1200C-2000C Fire Alarm Control Panel, Repeater, and Black Box Installation Manual
Class A loop supervised outputs
For Class A loops the common I/O module provides four supervised outputs:
• Fire alarm equipment output (OUT1)
• Fire routing equipment output (OUT2)
• Fire protection equipment output (OUT3)
• Fault routing output (OUT4)
All outputs supply 24 VDC when active.
Figure 7: Common I/O module supervised outputs for Class A loops
1. OUT4 fault routing output LED
2. OUT2 fire routing equipment output LED
3. OUT3 fire protection equipment output LED
4. OUT1 fire alarm equipment output LED
5. OUT4 fault routing output
6. OUT3 fire protection equipment output
7. OUT2 fire routing equipment output
8. OUT1 fire alarm equipment output
Table 2: Supervised output specifications for Class A loops
Output Output
number
termination
Polarity
Behaviour
Fire alarm
equipment
OUT1 3K3
Ω
Non-reversed
Fire routing
equipment
OUT2 3K3
Ω
Non-reversed
Fire protection
equipment
OUT3 3K3
Ω
Non-reversed
Fault routing
OUT4
3K3
Ω
Non-reversed
Active in normal
position