Created on 7/31/2007 GE SECURITY This document discloses subject matter in which GE Security has proprietary rights. Neither receipt nor possession thereof confers or transfers any right to reproduce or disclose the document, any part thereof, any information contained therein, or any physical article or device, or to practice any method or process, except by written permission from, or written agreement with, GE Security.
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2.1. Cellular Data Modem ........................3 2.2. Enfora Radio ........................... 3 2.3. Radio Communication ........................3 2.4. Switching Power Supply......................... 4 3. Interface Board............................4 4. FCC Information............................ 5 ActiveKEY Modem User Manual Page - 2 - of 5 Classification: GE Public...
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The twenty pin male header on the PCB provides connection for battery or external power and ground and an output for the regulated 3.6 Volt supply for use by the ActiveKEY main board or other devices when utilized in the stand alone mode of operation.
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The switching power supply for the ActiveKEY is based on a switchmode buck/boost controller device. For this application the “SEPIC” mode of operation was chosen for high efficiency operation of the regulator circuitry. This device is a low noise high speed controller operating at ~800 KHz that is perfectly suited to the ActiveKEY requirements.
11. Spare, used for buzzer in ActiveKEY 12. Spare, used for buzzer in ActiveKEY. 13. Switcher control (ground to operate 3.6 volt regulator). 14. Radio Reset, momentarily ground to reset the radio module. 15. Radio power control (ground for normal operation).
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