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