The manager computer can communicate with the number of uninterruptible power supply systems to obtain inventory and status information related to {HEAD ~ each} of {TAIL ~ the uninterruptible power supply systems} 
of
The manager computer can communicate with the number of uninterruptible power supply systems to obtain inventory and status information related to { HEAD ~ each } of { TAIL ~ the uninterruptible power supply systems }
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL