The input circuit 504 receives {HEAD ~ inputs} from {TAIL ~ LVDS signal path} 514, LVDS signal path 516, and the output from source 2 202 
The input circuit 504 receives { HEAD ~ inputs } from { TAIL ~ LVDS signal path } 514 , LVDS signal path 516 , and the output from source 2 202
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH