First make sure you have watched the videos about configuring your system for the AlarmDecoder

This video discusses panel configuration as well as physical connection to the alarm system

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This video discusses connecting your AlarmDecoder to a PC

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This video discusses connecting your AlarmDecoder to a Mac

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Troubleshooting Steps

1. does the AD2* have power?
   • make sure the LED on the AD2* device is flashing about 1 cycle a second
   • check your power connections if you do not see LED flashing
2. does the connected computer show an attached device.
   • For windows look in device manager
     • On some installs of windows it is necessary to enable the VCP option for the driver
   • for OSX and Linux look in /dev