In response to its inputs, the input circuit in each device can use comparators, gates and a multiplexer to determine {HEAD ~ the logic state} being transmitted over {TAIL ~ the pair} of LVDS signal paths from the other device 
In response to its inputs , the input circuit in each device can use comparators , gates and a multiplexer to determine { HEAD ~ the logic state } being transmitted over { TAIL ~ the pair } of LVDS signal paths from the other device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH