The device insertion signal effectively provides {TAIL ~ an indication} that {HEAD ~ power} will be applied to the PCMCIA device 
The device insertion signal effectively provides { TAIL ~ an indication } that { HEAD ~ power } will be applied to the PCMCIA device
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH