Additions to Sportster V.FC and V.34 Command Set and S-Registers


The following command and S-Register settings apply to V.FC and V.34 modems.



&Nn     Sets forced connect speed.  If connection cannot be established at 
	this speed, the modem will hang up.

	&N0             Variable rate
	&N1             300 bps
	&N2             1200 bps
	&N3             2400 bps
	&N4             4800 bps
	&N5             7200 bps
	&N6             9600 bps
	&N7             12,000 bps 
	&N8             14,400 bps 
	&N9             16,800 bps
	&N10            19,200 bps
	&N11            21,600 bps
	&N12            24,000 bps
	&N13            26,400 bps
	&N14            28,800 bps


	Register  Default    Function        
	S39-44      0        Reserved        
	
	S51         0        Bit mapped register.  To set the register see the 
			     instructions for S13.         
		    Bit     Value   Result          
		    0       1       MNP/V.42 disabled in V.22.              
		    1       2       MNP/V.42 disabled in V.22bis.           
		    2       4       MNP/V.42 disabled in V.32bis.           
		    3-7     -       Reserved.
	
	S54         0         Bit mapped register.  To set the register see 
			      the instructions for S13.
		    Bit     Value   Result
		    0       1       Disable 2400 symbol rate.
		    1       2       Disable 2743 symbol rate.
		    2       4       Disable 2800 symbol rate.
		    3       8       Disable 3000 symbol rate.
		    4       16      Disable 3200 symbol rate.
		    5       32      Disable 3429 symbol rate.
		    6       64      Disable Call Indicate (V.34 only).
		    7       128     Disable V.8 (V.34 only)
	
	S55         0   Bit mapped register.  To set the register see the 
			instructions for S13. 
		    Bit     Value   Result
		    0       1       Disable 8S-2D map.
		    1       2       Disable 16S-4D map.
		    2       4       Disable 32S-2D map.
		    3       8       Disable 64S-4D map.
		    4-7     -       Reserved.
	
	Register  Default Function
	
	S56         0   Bit mapped register.  To set the register see the 
			instructions for S13.                 
		    Bit     Value   Result          
		    0       1       Disasble non-linearing coding.          
		    1       2       Disable TX level deviation.             
		    2       4       Disable pre-emphasis.           
		    3       8       Disable pre-coding.             
		    4       16      Disable shaping.                
		    5       32      Reserved.               
		    6       64      Disable V.34 (V.34 only).               
		    7       128     Disable V.FC.   
	
	S57         0   Reserved.