Appendix d: disable system firmware – Atop Technology MB5001C User Manual User Manual
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User Manual Version 1.0
MB5001C series 1-port Modbus Gateway
Copyright © 2010 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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Appendix D: Disable System Firmware
The AP (application program) firmware of MB5001C can be disabled. This function is used in the situation
that one downloaded a wrong version of firmware that caused the system crashed.
To disable the current version of firmware and prevent it from executing, please do the followings:
1. Turn the power off, open MB5001C case.
2. Short pin1 and pin2 of jumper JP1 on the right-top corner from the main board to disable AP
firmware.
3. Power on MB5001C.
4. Download the correct AP firmware to MB5001C.
5. Remove the pin 1 and pin2 of jumper JP1 to enable AP firmware.
6. Close the case and continue ones operations.