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APPENDICES 27
a serial cable longer than 50 feet in length. Make sure you are using a straight-through serial cable, and
not a null modem cable.
2. On the attached computer, launch Paragon Update by double-clicking the icon.
3. Select the correct serial port (COM1 through COM4), and click “Activate Port” to initiate
communication with Paragon.
4. Click “Load Hex File” and select the Matrix Switch firmware contained in the Paragon Firmware
distribution file (e.g., “UMT8-####”, where #### is a hexadecimal version number). The first
button found in the “Upgrade Information” section of the window should change to “Send to
Paragon.”
5. Click the “Test Hex File” button to ensure file integrity.
6. Click “Check Device Information” to confirm successful communication with the Paragon Matrix
Switch, as well as to confirm that the firmware upgrade is applicable.
7. Click “Send to Paragon” to begin uploading the firmware.
Warning: During the firmware uploading process, it is absolutely essential that neither the Matrix
Switch (UMT8) nor the computer is turned off; and that the serial cable remains firmly connected.
8. Click “Disable Port”, and exit Paragon Update.
9. Using the power switch located at the back of your unit, recycle power to your Paragon Matrix
Switch. Upon resetting, the front LCD screen should display the latest firmware version number.
10. Repeat steps 1 through 10 for each Matrix Switch in your system. For the most reliable results, you
should click on “Disable Port” and exit Paragon Update after updating each Matrix Switch (UMT8).