Devices 130 can therefore perform a simple logical operation on the outputs of {TAIL ~ terminals} 134,138 to determine if termination of {HEAD ~ the communication bus} is desired 
Devices 130 can therefore perform a simple logical operation on the outputs of { TAIL ~ terminals } 134,138 to determine if termination of { HEAD ~ the communication bus } is desired
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH