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Re: [hylafax-users] A Hint about Devolo Microlink Fun II and Failure to train remote modem



Heino Backhaus wrote:

I took the generic class1 configfile as template and changed the following parameters:
ModemRate: 57600 # rate for DCE-DTE communication ModemFlowControl: rtscts # RTS/CTS flow control assumed
ModemResetCmds: "AT&FV1E0&D2&C1S0=0+MR=0;+DR=1;+ER=1;+ILRR=0"
ModemNoFlowCmd: AT+ifc=0,0; # (&K) disable flow control cmd
ModemHardFlowCmd: AT+ifc=2,2; # (&K3) hardware flow control cmd
ModemSoftFlowCmd: AT+ifc=1,1; # (&K4) software flow control cmd


Have you done the work to learn *which* of these several AT commands are the ones that made the difference?

For example, in your ModemResetCmds you have ATS0=0 which certainly can be removed. Likewise ATE0. I'm not sure about AT&D2 and AT&C1, but I think that these are basic configuration settings that would be best altered elsewhere (other than ModemResetCmds). AT&F probably accomplishes the same thing as ATZ, so that's unnecessary most likely. ATV1 is also probably not needed or is better configured elsewhere. So I think that brings us down to:

AT+MR=0, AT+DR=1, AT+ER=1, and AT+ILRR=0. Do you know what these settings do?

Do the traditional AT&K, AT&K3, and AT&K4 not work on your modem?

Lee.


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