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Modem Register
The registers of the modem determine its operation characteristics.
This chapter describes the modem registers, except for those
reserved registers that can not be modified by the user.
S-Register Summary ___________________________________
Register Range
Units
S0
0-255
Rings
0
S1
0-255
Rings
0
S2
0-255
ASCII
43
S3
0-127
ASCII
13
S4
0-127
ASCII
10
S5
0-255
ASCII
8
S6
2-255
s
2
S6
5-6
s
6
S7
1-255
s
50
S8
0-255
s
2
S9
1-255
0.1s
6
S10
1-255
0.1s
14
S11
50-255 0.001s
95
S12
0-255
0.02s
50
S13
-
-
-
S14
-
-
138(8Ah)
S15
-
-
-
S16
-
-
0
S17
-
-
192(C0n)
S17
-
-
64(40n)
S18
0.255
s
0
S19
-
-
0
S20
0-255
-
0
S21
-
-
52(34h)
S22
-
-
117(75h)
S23
-
-
62(3Dh)
S24
0-255
s
0
Appendix A
Default
Function
Rings to Auto-Answer
Rings Counter
Escape character
Carriage return character
Line Feed Character
Backspace character
Wait Time for Dial Tone
Wait Time for Dial Tone (for CTR21)
Wait Time for Carrier
Pause Time for Dial Delay Modifier
Carrier Detect Response Time
Carrier Loss Disconnect Time
DTMF Tone Duration
Escape Prompt Delay
Reserved
General Bit Mapped Options Status
Reserved
Test Mode Bit Mapped Options
Status(&T)
Redial options status (&I)
Redial options status (&I) (for CTR21)
Test Timer
AutoSync Options
AutoSync HDLC Address or BSC
Sync Character
V.24/General Bit Mapped Options
Status
Speaker/Results bit Mapped Options
Status
General Bit Mapped Options Status
Sleep Inactivity Timer
Page: 27
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