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User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-11
Fax command sets
Service Class 1 Commands
Command Description Value
+FCLASS=n Service Class Identification and
Control
n=0:Sets to modem mode
n=1:Sets to Class 1 mode
n=2.0:Sets to Class 2.0 mode
n=8:Sets to Voice mode
+FTS=n Stop Transmission and pauses n=0-255 in 10 ms units.
+FRS=n Wait for Silence n=0-255 in 10 ms units.
+FTM=<MOD> Transmit Data with <MOD> Carrier See table 16
+FRM=<MOD> Receive Data with <MOD> Carrier See table 16
+FTH=n Transmit HDLC Data with <MOD>=3
Carrier
n=3
+FRH=n Receive HDLC Data with <MOD>=3
Carrier
n=3
Table 16. Service Class 1 Commands
The value of <MOD> parameters lists as below:
Value Modulation Speed
3 V.21 ch 2 300
24 V.27ter 2400
48 V.27ter 4800
72 V.29 7200
73 V.17 7200
74 V.17 short train 7200
96 V.29 9600
97 V.17 9600
98 V.17 short train 9600
121 V.17 12000
122 V.17 short train 12000
145 V.17 14400
146 V.17 short train 14400
Table 17. The Value of <MOD> Parameters