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