Optimus

 
RD_PR_X NR_PR_X/
 
ReaDy preparing for X-ray or Not Ready preparing for X-ray
EZ139X1:A3 - EZX23:3 - EZX45:4 - EZX46:4 - C300X1:4 - - EWAX51:4 - EWAX52:4 - EWA100X2:A24 -
driven by CU or other system components
measuring point: EZX83
part of: signal bus
0V/+15V high active signal