4  Configuration: "Extension Off" 
Short-circuit Port 7 Pin 1
 
Short-circuit Port 6 Pin 1
 
Short-circuit Port 5 Pin 1
 
Short-circuit Port 4 Pin 1
 
Short-circuit Port 3 Pin 1
 
Short-circuit Port 2 Pin 1
 
Short-circuit Port 1 Pin 1
 
Short-circuit Port 0 Pin 1
 
Monitoring 
the outputs 
45hex 
Short-circuit Port 7 Pin 4
 
Short-circuit Port 6 Pin 4
 
Short-circuit Port 5 Pin 4
 
Short-circuit Port 4 Pin 4
 
Short-circuit Port 3 Pin 4
 
Short-circuit Port 2 Pin 4
 
Short-circuit Port 1 Pin 4
 
Short-circuit Port 0 Pin 4
 
Short-circuit Port 7 Pin 2
 
Short-circuit Port 6 Pin 2
 
Short-circuit Port 5 Pin 2
 
Short-circuit Port 4 Pin 2
 
Short-circuit Port 3 Pin 2
 
Short-circuit Port 2 Pin 2
 
Short-circuit Port 1 Pin 2
 
Short-circuit Port 0 Pin 2