User's Manual

32
2.4 Class 1 FAX Commands
The modem chip set supports FAX commands conforming to EIA standard 578.
These commands are given here with short descriptions; complete
explanations are given in the standard, available from the Electronic Industry
Association.
FAX Command Set Summary
+FCLASS? Service class indication
+FCLASS = ? Service class capabilities
+FCLASS = n Service class selection
+FTM = <m> Transmit FAX data
+FRM = <m> Receive FAX data
+FTH = <m> Transmit HDLC data
+FRH = <m> Receive HDLC data
+FTM = ? Check transmit FAX modulation
+FRM = ? Check receive FAX modulation
+FTH = ? Check transmit HDLC data modulation
+FRH = ? Check receive HDLC data modulation
+FMI = ? Check manufacturer identification
+FMM = ? Check product identification
+FMR = ? Check version/revision information
+FLO = ? Select Flow Control specified
+FPR = ? Select Serial Port Rate
+FCLASS? Service Class Indication
This command causes the modem to display the current setting. The modem
can operate either as a class 0 data modem or a class 1 FAX modem.
Responses: 000 :data mode
001 if in FAX class 1
008 if in voice mode
+FCLASS = ? Service Class Capabilities
This command causes the modem to display the classes it supports.
Typical responses:
+FCLASS = ? 0, 1, 8
+FCLASS = n Service Class Selection
This command sets the modem for class n operation,where n is either a 0 or 1.