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7. T1216-C/T1232-C Motherboard (C1627) Features 
Figure 9 illustrates the C1627 motherboard features. 
 
 
Figure 9 – C1627 motherboard layout 
Notes: 
I.  “Evacuate” or “Evac” = Manual Fire Alarm/Muster. 
II.  The 16-pin Microcontroller programming header is for use during manufacturing only and should not 
have any links fitted across any of the pins. Improper use of the connector may result in permanent 
damage to the motherboard. 
III.  J24 provides a 24Vdc output to the Output Expansion Boards and is not monitored for failure. DO NOT 
USE THIS OUTPUT FOR ANY OTHER PURPOSE. 
   
PULSE ALARMS 
DELAY RESTART
 
 
Configuration 
mode enabled 
LED indicator 
 
J18 
Earth Fault 
Monitoring Link 
Connector 
for C1632, 
Zone 
Expansion 
Board
 
Alarm Circuits 
[Marked with 
Active 
Polarity] 
Remote Inputs: 
Silence Alarms 
Evacuate 
Reset 
ablement Active
uate Active 
 
 
 
 
Fire Output 
[Marked Fire 
Routing] 
[
 
C1630 Output 
Expansion Interface 
Connectors  
Connector 
for O/P 
expansion 
modules
 
Fire & Fault Signal 
[Routing] O/Ps and Fire 
Protection O/P 
J2 and J23 
Connector for C1665 
Muster Interface
 
J19 DC supply in & PSU fault 
from PS136 
J24 DC supply out to 
expansion boards 
C1631 Repeater 
Interface Connectors  
Microcontroller 
Programming 
Connector