DSC SCW457AATNT Frequently Asked Questions

How Do I Program a DSC WS4949 Key Fob to a DSC Impassa?
A WS4949 key fob is enrolled with a DSC Impassa by activating its wireless enrollment mode and then holding a button on the device for three seconds. Learn how to enroll a WS4949.
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How Do I Get Power to a DSC Impassa?
A DSC Impassa receives power from a plug-in AC transformer and a backup battery. A 2-conductor wire connects the transformer and the panel. Learn how to power a DSC Impassa.
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How Many Wireless Zones Are On a DSC Impassa?
The DSC Impassa provides support for 64 wireless zones. The system is designed to work with legacy DSC 433 MHz Sensors. Learn more about the DSC Impassa Alarm System.
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Will a DSC Impassa Work w/ Apple HomeKit?
A DSC Impassa cannot be set up to work with Apple Homekit. Apple has not made HomeKit compatible with Alarm.com. Learn more about the DSC Impassa and Apple Homekit.
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Will a DSC Impassa Work w/o a Phone Line?
If a DSC Impassa has an active cellular connection, it can receive monitoring service without a phone line. Find out how to provide monitoring for a DSC Impassa System.
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What Happens to a DSC Impassa When the Internet Goes Down?
An internet outage will not affect a DSC Impassa. The system can only use a cellular connection or a phone line connection. Learn more about the DSC Impassa Alarm System.
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How Do I Add an External Keypad to a DSC Impassa?
A keypad can be added to an Impassa by activating the keypad's enrollment function while the panel is in its wireless enrollment mode Learn how to add a keypad to an Impassa.
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How Do I Connect an Android to a DSC Impassa?
To control a DSC Impassa using an Android Phone, you must use the Alarm.com Mobile App. The app can be downloaded for free from the Google Play Store. Learn more about Alarm.com.
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Does a DSC Impassa Chime When Doors are Opened?
A DSC Impassa can chime when entry/exit doors are opened. The chime function must be enabled on the system. Learn more about the chime function on the DSC Impassa System.
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Can I Connect to the DSC Impassa w/ an iPad?
An iPad can use the Alarm.com Mobile App to control a DSC Impassa. This app can be downloaded for free from the App Store. Learn how to use an iPad with the DSC Impassa.
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