The management center 30 is shown in more detail in FIG 2 and includes: {HEAD ~ a management server} 32 executing {TAIL ~ a management application} 34, an interface 36 to a human operator, and a wireless protocol server 38 in the form of a WAP server 
The management center 30 is shown in more detail in FIG 2 and includes : { HEAD ~ a management server } 32 executing { TAIL ~ a management application } 34 , an interface 36 to a human operator , and a wireless protocol server 38 in the form of a WAP server
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH