The system includes an uninterruptible power supply manager computer coupled to {TAIL ~ a number} of user computers via {HEAD ~ a computer network} 
The system includes an uninterruptible power supply manager computer coupled to { TAIL ~ a number } of user computers via { HEAD ~ a computer network }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD