A3LA-RG Guide Version B
Document Number: 451-93156-009B
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Table 5: Standard S-Registers
Register
Number
Range
Default Description
Sr=n Command
Write Protected in
SAC0201
S40
0 – 255
192
Bitmap register where bits 2, 3, and 4
reflect the \K setting, bits 6 and 7
reflect the \An setting, and bits 3-5
reflect the \Kn setting.
No action, compatibility only
Yes
S41
0 – 255
3
Bitmap registers where bits 2 and 6
enable retrain on bad signal quality
setting, bit 4 reflects xon/xoff usage
setting, and bit 5 reflects DTE auto rate
adjustment setting.
No action, compatibility only
Yes
S95
0 – 255
0
Bitmap register for extended result
codes (overrides Wn setting).
0 = CONNECT shows DCE speed
2 = Enable CARRIER XXXX
3 = Enable PROTOCOL: XXXX
6 = Enable COMPRESSION: XXXX
C.3 I
RIDIUM
-S
PECIFIC
S-R
EGISTER
E
XTENSIONS
Table 6: Iridium-Specific S-Register Extensions
Register
Number
Range
Default
Description
Sr=n Command
Write Protected in
SAC0201
S13
0 – 255
0
Bitmap register where bits 0-1 reflect
the DCE data bits, bits 2-3 reflect the
DCE stop bits, bits 4-6 reflect the DCE
parity settings, and bit 7 is not used.
Yes
S15
0 – 2
0
Auto-answer mode selection
Bits 0-1: 0 (auto-answer voice and
data calls)
1 (auto-answer voice calls only)
2 (auto-answer data calls only)