As described herein, this arrangement represents one example of mapping an internal signal for connection on different external paths as a result of {HEAD ~ a stack position} of {TAIL ~ the device} 
As described herein , this arrangement represents one example of mapping an internal signal for connection on different external paths as a result of { HEAD ~ a stack position } of { TAIL ~ the device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL