20
S-REGISTERS
Register
Description
Factory Setting
Range
S0
Auto-Answer Ring Number
1
0(Disable) or 1–255 rings
S2
AT Escape Character
43(+)
0–127 ASCII
S3
Carriage Return Character
13
0–127 ASCII
S4
Line Feed Character
10
0–127 ASCII
S5
Backspace Character
8
0–127 ASCII
S6
Blind Dial Pause
2
2–255 seconds
S7
No Answer Time-out
45
1–255 seconds
S8
“,” Pause Time for the Dial Modifier
2
0–255 seconds
S10
No Carrier Disconnect
2
0–254 (10ths of a second) or 255(Disable)
S12
Escape Sequence Guard Time
50
0–255 in 20-millisecond increments
S14
Asymmetric Rate (Dial)
0
0=Enable; 1=Disable
S15
Asymmetric Rate (Leased)
0
0=Enable; 1=Disable
S18
Test Time-out
0(disabled)
0–255 seconds
S23
Proactive Retrain
0
0=Enable; 1=Disable
S25
AutoSync Start Pause
0(disabled)
0–30 seconds
S26
RTS/CTS Delay
0
0–255 seconds
S28
SDC Negotiation
0
0=LAPM_Buffer; 1=LAPM_Discon
S29
SDC Idle Fill
0
0=Flag_Fill; 1=Mark_Fill
S30
Sync DTE Rate
0
0=12800 bps; 1=115200; 3=96000; 4=78800;
5=72000; 6=64000; 7=57600; 8=56000; 9=48000;
10=38400; 11=28800; 12=19200; 13=14400;
14=9600; 15=4800; 16=2400; 17=1200
S31
SDC Bit Encoding
0
0=NRZ; 1=NRZI
S32
Sync DTE CRC
0
0=Ignore; 1=CRC16
S33
Buffer Size In Buffer Mode
0
0=Normal; 1=Minimized
S35
Auto Redial
0
0=Dir1; 1=Dirs1–2; 2=Dirs1–3... 9=Dirs1–10
S36
Rate Auto Originate
0
0(Disable) or 1(4800) – 6(16,800)
S37
Auto Redial
0
0(Dir 1) – 9(Dirs 1–10)
S38
DTR Cont Repeat
0
0=Disable, 1=Enable
S39
RX Buffer Disconnect Delay
0
0(Disable) or 1–255 seconds
S40
Auto Make Busy
0
0=Disable, 1=Enable
S41
Dial Line Rate
29
1=14400(V.32bis); 2=12000(V.32bis);
3=9600(V.32bis); 4=7200(V.32bis);
5=4800(V.32bis); 6=2400(V.22bis); 7=1200(V.22);
8=1200(212A); 10=0–300(V.21); 11=0–300(103J);
20=19200(V.32terbo); 21=16800(V.32terbo);
27=33600(V.34); 28=31200(V.34);
29=28800(V.34); 30=26400(V.34);
31=24000(V.34); 32=21600(V.34);
33=19200(V.34); 34=16800(V.34);
35=14400(V.34); 36=12000(V.34);
37=9600(V.34); 38=7200(V.34); 39=4800(V.34);
40=2400(V.34)
