Modem FAX Modes
A modem may be used in one of the following modes:
- Smart AT, switched
- Smart V.25bis, switched
- Smart, leased line
- Dumb, switched
- Dumb, leased line
Note: OPTIMA products support the switched Dumb Mode feature.
The FAX mode is a subset of the smart AT, switched mode of operation.
FAX Class 1 Mode
When the value of the parameter +FCLASS is 1, the modem
is in the FAX Class 1 mode. In this mode all data commands, plus the commands,
behavior, and responses defined in [1] are valid.
FAX Class 2 Mode
When the value of the parameter +FCLASS is 2.0, the modem
is in the FAX Class 2 mode. In this mode all data commands, plus the commands,
behavior, and responses defined in [2] are valid.
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