Telenetics 56 User Manual
Page 164
AT Commands
Page 156
Basic data mode and fax service class mode select commands are:
AT+FCLASS=0
AT+FCLASS=1
AT+FCLASS=1.0
AT+FCLASS=2
In Class 2, the DCE makes and terminates calls, manages the communication session and
negotiates (T.30 protocol) and transports the image date to DTE. The T.4 protocol
management of image data, etc., is done by DTE.
The response to
AT+FCLASS= 0
or
AT+FCLASS=2
is
OK
The service class may be set by the DTE from the choices available using the
“+FCLASS=
General Rules
1.
+Fnnn commands must be entered completely, otherwise an ERROR response is
sent.
2.
All response messages are preceded and followed by
commands (e.g., +FDIS: +FCSI: and +FDCS:) will, therefore, appear to a have a
blank line between them.
3.
Fax Class 2 commands can be separated by the “:” character. The “;” character can
be omitted if desired. Non-data commands cannot be separated by the “;” which is
allowed as a dial modifier.
4.
All Class 2 commands are assumed to be the final command on a command line.
Additional characters will be ignored.
5.
An ERROR message will be generated if any of the following conditions occur:
a. A Class 1 command is received while in Class 2.
b. A Class 2 command is received while in Class 1.