The interface transmits {HEAD ~ the translated digital signals} in the first data format to {TAIL ~ the vehicle} via the first connection 
The interface transmits { HEAD ~ the translated digital signals } in the first data format to { TAIL ~ the vehicle } via the first connection
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH