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A.2. ZONE DOUBLING or ADVANCED TECHNOLOGY ZONE (ATZ) CONNECTIONS
Advanced Technology Zoning (ATZ) feature allows you to install two detection devices per input terminal, therefore, doubling zone capacity of the control panel.
Advanced technology zoning is a software-oriented feature, there is no need for extra modules, simply install the devices as shown in the next sections. The extra zones function
exactly like any other zone displaying zone status on the keypads and sending separate alarm codes for each zone. Please note that zone doubling (ATZ) feature is applying
individually for any 1 to 6/8 zone terminals and the control panel will recognize the installed devices as shown in next figure. For more information on programming the options
mentioned in the following sections refer to the zone definitions within 01 to 12/16 programming sections.
A.2.1. ZONE DOUBLING with N.C. CONTACTS, without EOL RESISTOR, without TAMPER RECOGNITION
If your security installation does not require tamper or wire fault recognition, connect the detection devices as shown in the next figure and ensure the zone wiring
attributes are programmed as shown in the next table. This setup will communicate the violated zones to the control panel which will display them on the
keypads. Do not use devices with N.O. contacts in this zone setup, as this will cause the zones to remain in alarm.
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