11.. . APPENDIX K: MODEM CONFIGURATION
APPENDIX K: MODEM CONFIGURATION SUPPLEMENT
As modem initialization is never as easy as it should be, this appendix was written to provide additional assistance in the configuration of modems for communication between the PC (equipped with the LOCAL modem) and the
Obviously, other combinations will exist, however, it is hoped that some understanding of the setups can be gleaned from the following examples and explanations to make life easier. Intelligent experimentation is commonly the best method for modem configuration... however, after experimentation, if a reliable connection can’t be implemented, please call our technical support group for additional assistance.
Modem commands beyond the basics are not standardized and have evolved over the years as different manufacturers have implemented more advanced features. Hence, standard commands can’t be supplied for the plethora of modems available on the market today. The following short list of commands is fairly consistent between modems:
AT | Attention command |
&F0 | Use factory defaults settings 0 (common usage) |
&F1 | Use factory defaults settings 1 (also common) |
E0 | Turn off local Echo of commands |
Q0 | Enable Result Codes |
V1 | Use Verbal Result Codes |
Local 2400 to Remote 2400 (MDM-2400 Modem Option)
Within the HyperWare Modem Communication Dialog Box, set:
Baud Rate: 2400
Initialization String: AT&F0E0Q0V1 or AT&F1E0Q0V1.
This sets the local modem to its factory defaults (F0 or F1) and then turns Echo Off and enables Verbal Result Codes. (No error correction or compression is used in 2400 Baud modems so no additional settings are required to configure those features in the Initialization String box).
Local 2400 to Remote 14.4 (MDM-14.4 Modem Option)
Within the HyperWare Modem Communication Dialog Box, set:
Baud Rate: 2400
Initialization String: AT&F0E0Q0V1 or AT&F1E0Q0V1.
This sets the local modem to its factory defaults (F0 or F1) and then turns Echo Off and enables Verbal Result Codes (usually two commands, one to Enable Result Codes and one to select Verbal rather than numeric). (No error correction or compression is used in
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