Firstech, LLC. CM1000A Manuel D’Utilisation

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Channel Expander 
 
The channel expander is an add-on module that can be used to expand the existing two 
auxiliary outputs to a total of seven auxiliary outputs. Each one of these seven outputs 
can be individually programmed for pulsed, latched, or timed-latch output. The 
programming of the Channel Expander outputs must be done with the Option 
Programmer; the CompuStar remotes do not have the ability to access these programming 
options.  
 
  
  
  
    
 12v+
3
 Aux1 
In
2
Input 
 GND
1
  
 
 
 12v+
8
Aux 7 ( – )200mA
7
Aux 6 ( – )200mA
6
Aux 5 ( – )200mA
5
Aux 4 ( – )200mA
4
Aux 3 ( – )200mA
3
Aux 2 ( – )200mA
2
Output
Aux 1 ( – )200mA
1
  
  
  
    
 
Connector 1 - Input 
 
Pin1: This is the ground wire for the Channel Expander. Ground this wire to the vehicle 
chassis. 
 
Pin2: This is the data input wire used to communicate with the CompuStar brain module. 
Connect this wire to the Aux 1 output wire from the CompuStar brain module. 
 
Pin3: This is the 12v constant wire for the Channel Expander. Connect this wire to a 
constant 12v+ source within the vehicle. 
 
 
Connector 2 - Output 
 
Pin1: Aux 1, 200mA negative output. 
Pin2: Aux 2, 200mA negative output. 
Pin3: Aux 3, 200mA negative output. 
Pin4: Aux 4, 200mA negative output. 
Pin5: Aux 5, 200mA negative output. 
Pin6: Aux 6, 200mA negative output. 
Pin7: Aux 7, 200mA negative output.