Hello,
Thank you for posting in Q&A forum.
To achive the purpose, you can configure by following below steps:
1.Assign static IP to GPS Boards.
2.Enable DHCP for external cell modem and make sure it's in a different subnet.
3.Check if the network Settings on Windows XP machine are correctly configured to handle both connections.
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best regards,
Jill Zhou
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