The plurality of {TAIL ~ distribution devices} and the plurality of receiving devices are connected by {HEAD ~ a transmission line} 
The plurality of { TAIL ~ distribution devices } and the plurality of receiving devices are connected by { HEAD ~ a transmission line }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD