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Iridium Satellite LLC
9601 SBD Transceiver Preliminary Product Developers Guide Appendix A –AT Command Reference
V1.24 120505
3.2 S-Registers
Table 1: 9601 Transceiver S-Registers
S0
0-255
0
S1
0-255
0
S2
0-255
43
S3
0-127
13
S4
0-127
10
S5
0-32
8
S6
0-255
4
S7
0-255
50
S8
0-255
4
S9
0-255
6
S10
0-255
14
S11
0-255
0
S12
0-255
50
S13
0-255
49
S14
0-255
170
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Information contained herein is subject to change without further notice
Description
Autoanswer. Assigning a value from 1 to
255 in register S0 tells the ISU to
automatically answer incoming calls.
The factory setting of 0 turns off the
automatic answer feature.
Ring count
Escape code character
Carriage return character
Line feed character
Backspace character
Wait for dial-tone.
Communication standard used by ISU
Pause time for comma.
Carrier detect response time.
Carrier loss time.
DTMF tone duration.
Escape guard time. Time, in 50ths of a
second, until OK displayed after
entering command mode by escape
sequence
Bitmap register:
bits 0-1: DCE data bits
bits 2-3: DCE stop bits
bits 4-6: DCE parity setting
Bitmap register:
bit 1:
setting (echo)
En
bit 2:
setting (quiet)
Qn
bit 3:
setting (verbose)
Vn
bit 5: Pulse/tone dial mode
60
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