Honeywell 959 Frequently Asked Questions

What Are Door Contacts?
Sensors that are used to monitor whether a door is opened or closed are often called door contacts. Learn about door contacts and how they are used with alarm systems.
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What Is the Best Wired Security Door/Window Contact?
There are many great wired door and window contacts available. The best one depends on the application. Learn which wired security door and window contact is best for your needs.
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What is the Best Wired Door/Window Alarm Contact?
There is not a single "best" hardwired door and window contact. Each type of door and window contact will work better in certain situations and installations than in others. There is usually a perfect hardwired contact for every type of situation. Learn more about wired door and window contacts.
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What Do Normally Closed and Normally Open Mean?
"Normal" is the normal state of an opening, such as a door. Normally open/closed refers to the state of a contact connected to a door in its normal position.
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How do I connect my L5200 to my garage door?
Find out how to connect your L5200 LYNX Touch to your garage door!
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