b'back to the control panel using a RF wirelesslocation information to the responding signal.authorities. There are no definitions under the letter "X" atZone Descriptor: A phrase that identifies the this time.type of alarm device connected to a security There are no definitions under the letter "Y" atsystem as well as the location assigned to that this time.device. A motion detector in the living room might have a zone description of Living Room Zone: Each device on a wireless security systemMotion. is its own zone. On hardwired security systemsZone Expanders: Provide additional zones for a you may have many similar devices on onesecurity system beyond what the control panel zone. For instance, every window contact in thehas as default. living room may be programmed on the same zone. Zones are used to identify which alarm device triggered the alarm event to occur, so that the central station operators can provide 93'