Users Manual
NPort W2150A/W2250A Series  Ethernet Modem Commands 
C-3 
S Registers 
No.  Register  Description  Remarks 
1  S0   Ring to auto-answer (default=0)   
2  S1  Ring counter (always=0)  no action applied 
3  S2  Escape code character (default=43 ASCII “+”)   
4 S3  Return character (default=13 ASCII)   
5  S4  Line feed character (default=10 ASCII)   
6  S5  Backspace character (default= 8 ASCII)   
7  S6  Wait time for dial tone (always=2, unit=sec)  no action applied 
8  S7  Wait time for carrier (default=3, unit=sec)   
9  S8  Pause time for dial delay (always=2, unit=sec)  no action applied 
10  S9  Carrier detect response time 
(always=6, unit 1/10 sec) 
no action applied 
11  S10  Delay for hang up after carrier 
(always=14, unit 1/10 sec) 
no action applied 
12  S11  DTMF duration and spacing  
(always=100 ms) 
no action applied 
13  S12  Escape code guard time 
(default=50, unit 1/50 sec) 
to control the idle time for “+++” 










