The manager computer is further coupled to {TAIL ~ the number} of {HEAD ~ UPS systems} via the computer network system 
The manager computer is further coupled to { TAIL ~ the number } of { HEAD ~ UPS systems } via the computer network system
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH