EQUIPMENT:  T1200-C 
PUBLICATION:  MARINEC-P-A 
  ISSUE No. & DATE:   3  02/14 
© 2014 Thorn Security Ltd      PAGE 21 of 67 
Registered Company: Thorn Security Ltd.  Registered Office: Dunhams Lane  Letchworth Garden City  Hertfordshire  SG6 1BE 
6. T1204 Motherboard (C1626) Features  
Figure 8 illustrates the C1626 motherboard features referred to elsewhere in the documentation. 
 
Figure 8 – C1626 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. 
Remote Inputs: 
Silence Alarms 
Evac  
Reset 
 
Configuration 
switches 
SW1/1 to SW1/10 
Battery 
Thermistor 
Terminals 
indicators: 
 
 
 
Secondary AC from 
transformer 
(when fitted) 
 
 
 
 –
 
J19 DC supply in 
and PSU faults from 
PS40 PSU [when 
fitted] 
Dis
A
Evac
Buzzer 
Fire Output 
[Marked Fire 
Routing] 
 
Fault Output 
[Marked 
Fault 
Routing] 
 
 
s for 
– Not 
Alarm Circuits 
[Marked with 
Active 
Polarity
 
-4 
Configuration 
mode enabled 
LED indicator 
 
Disable 
Connections 
for Repeater 
Interface. Not 
Used
 
Configuration links 
for Fire & Fault 
Signal [Routing] 
O/Ps and Fire 
Protection O/P 
Microcontroller 
Programming 
Connector 
Factory