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4219 ZONE EXPANDER

The 4219 expander module adds up to eight normally closed or eight end-of-line resistor supervised zones to compatible control/communicators via the control’s keypad wiring. The module may be mounted within the control’s cabinet (if room permits), or remotely. If mounted remotely, there are provisions to tamper protect the unit. Communication to the module is supervised so that it cannot be disconnected from the keypad wiring without detection by the control. If the wiring is cut, a tamper alarm 4219 ZONE EXPANDER