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

This video discusses connecting your AlarmDecoder to a PC

This video discusses connecting your AlarmDecoder to a Mac

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