The link apparatus provides circuits for automatically prepending a start of frame to a message being placed on the bus after determining that {HEAD ~ the conditions} on {TAIL ~ the bus} are suitable for transmitting messages 
The link apparatus provides circuits for automatically prepending a start of frame to a message being placed on the bus after determining that { HEAD ~ the conditions } on { TAIL ~ the bus } are suitable for transmitting messages
OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH