This circuitry includes a circuit system for detecting {TAIL ~ a short circuit condition} in {HEAD ~ the series switching network} 
This circuitry includes a circuit system for detecting { TAIL ~ a short circuit condition } in { HEAD ~ the series switching network }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD