NSL Relay Cabinet Installation and Wiring
TX3 Telephone Access System Installation and Operation Manual 83
5.4 Updating Firmware
After completion of the TX3-NSL-8M NSL Main Controller wiring and
configuration, use the TX3-MSW Configuration Software to complete the
firmware update.
To update firmware
1. Turn the power OFF by using SW1 on the bottom right side of the card
access controller board.
2. Short JW1 and JW2 using a jumper.
3. Turn the power ON.
4. Wait for 15 seconds.
5. Turn power OFF and remove jumper JW2.
6. Connect the USB cable to the card access controller board.
7. Turn the power ON.
8. Proceed with the firmware update using the Configurator software.
9. When you are finished updating the firmware, turn the power OFF.
10. Unplug the USB cable.
11. Turn the power back ON.
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