b'arms their system at night, so that theTalking Keypad: A security system keypad that occupants can still roam freely throughout theperforms normal keypad functions, but also can alarmed premises. Only the perimeter detectionspeak system status and other event notices in (e.g. door/window contacts) and certain typesplain English. of interior protection (e.g. glassbreak detectors)Temperature Sensor: A security system device would be armed this mode is selected.that sends an alarm when a preset temperature Subscriber Identity Module (SIM) Cards: Itis reached or a rapid change in temperature stores the service-subscriber key that is used tooccurs. Different from freeze sensors, identify a subscriber for mobile communicationtemperature sensors are able to detect devices. The SIM card grants the user access toabnormally high temperatures as well as the wireless network of whichever serviceabnormally low temperatures. provider is used based on the chosen serviceWhen the central monitoring station receives a plan.temperature sensor alarm, the central station Supervisory Signal: An alarm signal thatoperator calls the client to inform them of the monitors an alarm device or alarm controldangerous temperature range. panel. Wireless security system control panelsTransformer: A device that plugs a security constantly send out requests to all thesystem into a standard AC wall outlet. programmed devices on the system. When an alarm device does not respond, the controlTransmission Control Protocol (TCP): A set of panel sends a supervisory signal to the centralrules to exchange messages with other Internet monitoring station detailing the device thatpoints at the information packet level. needs service. Transmission Control Protocol / Internet System Status Keypad: Remote keypad for aProtocol (TCP/IP): The basic communication security system that visually or audibly alerts alanguage or protocol of the Internet. user to the system status of the alarm system. For instance, if a back door is open and the zoneTrouble Day/Alarm Night: A type of zone is in fault the keypad would tell or show theusually assigned to a zone that contains foil-user so that they do not arm their system withprotected doors or windows or covers a the zone in violation.sensitive area (e.g. stock room, drug supply room, etc.). It can also be used on a sensor or Takeover: An industry term that describes thecontact in an area where immediate notification process of reprogramming a monitored securityof an entry is desired (e.g. liquor or gun system so that it dials a new central alarmcabinet.). The zone is treated as a trouble signal monitoring station.when the security system is disarmed Most alarm monitoring contracts typically carry(daytime). When the central station operators term lengths (1, 3, 5-year terms) and once thereceive a trouble on this zone they notify the contract is up, they are free to choose a newcustomer of the entry but do not dispatch alarm monitoring company. The new companyauthorities unless requested by customer. The would then takeover their alarm system.zone is treated as a normal alarm when the system is armed. If you are considering having another companyTrouble Signal: A signal sent from a security takeover your alarm, make sure to give writtensystem control panel alerting the central notice of your intent to cancel to your currentmonitoring station of faulty zones, devices, or company so that the contract does notlow batteries. Trouble signals do not usually automatically renew. 91'