Solution:

I am glad to inform you that, we have got preliminary success in transmitting file with modem port of ADAM-5510. Attached zip file content all the files in this test. The steps are as follow: 1, Prepare two modems, connect COM1 of ADAM-5510 to one modem and the other PC to anther modem. 2, Download the 'T_modem.exe' and 'test.txt' in the zip file into the ADAM-5510. 3, Execute the 'PC_r.exe' in the PC. 4, Execute the 'T_modem.exe' in ADAM-5510. You will see the ADAM-5510 start to dial and send message in the test.txt. And the 'PC_r.exe' will receive all the message from modem and save as a file in the PC.