Simatic SINAUT MD125 Modem

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Santiago Carvallo

I need to communicate with a SIEMENS PLC, the model is: SIMATIC S5 100U with a 103 CPU, the communications has to be done using dial-up to call to the PLC's modem. The modem is installed in the PLC, and the model is: SIEMENS SINAUT MD125. I have no information about that modem, so I'm looking for anyone who knows how to do this or someone with information about the modem. Thanks. Santiago Carvallo V. [email protected]
 
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Santiago Carvallo

I do need further assistance, because I need to communicate with the Simatic SINAUT MD125 Modem calling from a PC modem. I don't know how to establish the connection. I have tried using Visual Basic, I can place the call to the SINAUT MD125 Modem and I get a connection tone but after a few seconds the connection is lost, I don't know if I have to send any specific command, or if there is a problem becaus the modem in my PC is 56.6 K with V 90 and the SINAUT modem works at 2400 K with V 22. Thanks.
 
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