DIY Wireless Security Systems Frequently Asked Questions

Which Deadbolt Lock Is Compatible w/ an Interlogix Simon XTi or XTi-5?
The Simon XTi and XTi-5 Systems are capable of supporting almost any Z-Wave lock once a Z-Wave Controller has been added. The lock is paired with the system and included into the Z-Wave network. It can then be controlled using the Alarm.com service. Learn more about using Z-Wave door locks.
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Will Honeywell 5800 Sensors Work on an Interlogix Simon XTi or XTi-5?
The Interlogix Simon XTi and XTi-5 Alarm Systems both feature a wireless receiver that accepts incoming signals at a frequency of 319.5 MHz. The Honeywell 5800 Sensors are not compatible since they operate at the 345 MHz frequency. Learn more about the sensors used with the Simon XTi and XTi-5.
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How Do I Add a Key Fob to an Interlogix Simon XTi or XTi-5?
An Interlogix Micro Key Fob is added to a Simon XTi or XTi-5 System by first putting the panel into its learn mode. Then the top two buttons on the key fob are pressed to learn it in. The settings for the device must then be configured. Learn how to enroll a key fob with a Simon XTi or XTi-5.
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How Do I Change the Battery in My Interlogix Simon XTi or XTi-5?
Inside an Interlogix Simon XTi or XTi-5 System is a battery pack that serves as the backup battery. To change the backup battery, simply unplug the old one and apply the new one. The new battery pack should snap into place. Learn how to replace the battery in an Interlogix Simon XTi or XTi-5.
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How Do I Add a Wireless Zone to an Interlogix Simon XTi or XTi-5?
Any wireless sensor used with a Simon XTi or XTi-5 requires its own wireless zone. New zones are added through system programming. This is done by putting the system into its learn mode and then activating the tamper switch on the sensor. Learn how to add wireless zones on an XTi or XTi-5 System.
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Can I Turn Off the Siren for an Interlogix Simon XTi or XTi-5?
The internal siren for a Simon XTi or XTi-5 System can be disabled from within system programming. The option is found inside the "Siren Options" sub-menu. You will need the system's Installer Code to access system programming. Learn how to disable the siren for a Simon XTi or XTi-5 System.
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Can I Set Up WIFI as Primary & GSM as backup on an Interlogix Simon XTi or XTi-5?
The Simon XTi and XTi-5 Systems cannot connect to a WIFI network. This makes it impossible to use WIFI as a communication path. However, this is not a major concern, since cellular service is superior for alarm systems anyway. Learn more about cellular monitoring for a Simon XTi or XTi-5 System.
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Can I Install an Interlogix Simon XTi or XTi-5 Myself and Still Get Monitoring?
It does not matter who installed a Simon XTi or XTi-5 System. As long as it can successfully send outbound communication signals, it will be able to receive monitoring service. This is even true if the system was self-installed by a DIY user. Learn more about alarm monitoring services.
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Can I Use an LT-Cable w/ an Interlogix Simon XTi or XTi-5 Alarm System?
The LT-Cable can certaintly be used with an Interlogix Simon XTi or XTi-5 in place of a standard 18-gauge 2-conductor wire. By using an LT-Cable, it is easier to get power to the alarm system. The LT-Cable is available for purchase on our website. Learn more about the Honeywell LT-Cable.
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Can I Connect an iPhone to an Interlogix Simon XTi or XTi-5?
To control a Simon XTi or XTi-5 System using an iPhone, you must use the Alarm.com Mobile App. This app is available for free download from the Apple App Store. The system will need to be synced with Alarm.com for this to be possible. Learn how to set up an iPhone with a Simon XTi or XTi-5.
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