A.3. Wire Count

The LAT COMM I/O Board has 18 output wires ( or channels ) and 18 input wires for sending and recieving signals. From the prespective of the LAT COMM I/O Board the needed channels are shown in Table A-1. For channel # NS stands for Not Specified indicating hardware is free to choose any channel number.

FunctionChannel #Direction 
Clock0Output 
Reset1Output 
Send Command2Output 
Flow Control4Output 
Recieve C/R Data0Input 
Recieve Event Data1Input 
Trigger CAL_low2Input 
Trigger CAL_high3Input 
Trigger 3-in-a-row4Input 
Trigger Throttle5Input 

Table A-1. Wire Count