Smarthome Doorbell & Telephone Ring Detector دليل المستخدم

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* Try these other fine ELK products *
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ELK-930
MK485 Programming Kit, MB485, Cables, Software
®
MK410 X-10 Transceiver Kit, Programmed MM443
APPLICATION:
MK420 iButton™ Access Kit w/ MM443, MA100, MA101
The ELK-9

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INSTALLATION The ELK-930 doorbell detector monitors the current draw of a doorbell and produces an open collector output when the pushbutton is pressed and the doorbell draws 900mA or more. This open collector output can be used to trigger an automation controller input that utilizes high to low switching (pull to ground) for activation. There are two basic installation methods: Method 1 requires only 1 of the ELK-930 doorbell detectors and free access to the wires leading from the doorbell t