Chapter 9 - Fax Operation
9-3
Class 1 Command SetCommand Value Description
+FCLASS=n Service class selection
n=0 Set to Data mode
n=1 Set to Class 1 mode
n=2 Set to Class 2 mode
n=2.0 Set to Class 2.0 mode
n=6 Set to ZFAX mode
n=8 Set to Voice mode
Note: If S57.4=0 (default), the response to the +FCLASS=? command
will not report Class 1 capability. This is due to the fact that
some fax software packages may get confused by this response.
Command Value Description
+FTS=n 0-255 Stop transmission and pause, in 10 ms units.
+FRS=n 0-255 Wait for silence, in 10 ms units.
+FTM=<MOD> Transmit data with <MOD> carrier.
+FRM=<MOD> Receive data with <MOD> carrier.
+FTH=<MOD> Transmit HDLC data with <MOD> carrier.
+FRH=<MOD> Receive HDLC data with <MOD> carrier.
The <MOD> parameter for the preceding commands take the following values:
Value Modulation Speed Requirements
3 V.21 ch. 2 300 required for FTH & FRH
+FTH and +FRH support value 3 (V.21 ch. 2 / 300 bps) only.
24 V.27ter 2400 required for FTM & FRM
48 V.27ter 4800 required for FTM & FRM
72 V.29 7200 required for FTM & FRM
73 V.17 7200 required for FTM & FRM
74 V.17 w/st 7200 required for FTM & FRM
96 V.29 9600 required for FTM & FRM
97 V.17 9600 required for FTM & FRM
98 V.17 w/st 9600 required for FTM & FRM
121 V.17 12000 required for FTM & FRM
122 V.17 w/st 12000 required for FTM & FRM
145 V.17 14400 required for FTM & FRM
146 V.17 w/st 14400 required for FTM & FRM
* w/st means with V.17 short training