Communication device having pull up voltage supply circuit supplying pull up {HEAD ~ voltage} via {TAIL ~ one power supply} during standby state and another power supply during power on state 
Communication device having pull up voltage supply circuit supplying pull up { HEAD ~ voltage } via { TAIL ~ one power supply } during standby state and another power supply during power on state
OTH OTH OTH OTH OTH OTH 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