2.2  FlashBack-3C Dual 
 
The FlashBack-3C Dual has additional connectors including; dedicated RS232 and Ethernet 
ports, separate record control and DC power inputs, and an audio and video monitor output 
port. See Figure 5 and Figure 7, page 8. 
 
 
Figure 5: FlashBack-3C Dual Interfaces 
 
2.3  I-Conex Connector Pin-outs 
 
The pin-outs for the FlashBack-3C Single and Dual are shown below: 
 
Camera Power
Mic Bias 
(~3V DC)
Video Ground
Ground
Audio Ground
1
1
1
1
4
4
4
4
Video In 1
Audio In L
Video In 2
Audio In R
2
2
2
2
3
3
3
3
Rec Control 2
(record trigger)
6 to 28 V DC In
GPS Power 
(3.3/5V DC)
Ground
1
1
4
4
TXD
RXD
2
2
3
3
Video Out
Ground
Audio Out L
Audio Out R
 Record OK
Ground
Rec Control 1
(record switch)
Rec Control 2
(record trigger)
As looking into the connectors
 on the rear of the FlashBack-3C
Pin 1 Red (Brown)
Pin 2 Green (White) 
Pin 3 Blue
Pin 4 Screen (Black)
Pin-out of flying lead 
assembly
 Alternative cable 
colours shown in brackets.
NB:
(Blue and brown connector pin-outs are identical)
Rec Control 1
(record switch)