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