To achieve {HEAD ~ adaptation} to different operating modes or {TAIL ~ transmission standards}, individual portions of the signal processing means connected in series can be bridged by bypasses 
To achieve { HEAD ~ adaptation } to different operating modes or { TAIL ~ transmission standards } , individual portions of the signal processing means connected in series can be bridged by bypasses
OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH