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APPENDIX C. S REGISTERS
ACTIVE Professional External Modem User’s Manual
32
S31 * Bit mapped option
Bit 0 Reserved
Bit 1
0 ATN0
1 ATN1
Bit 2,3
0 ATW0
1 ATW1
2 ATW2
Bit 4-7 Reserved
S32 XON Character Default : 17(11h)
S33 XOFF Character Default : 19(13h)
S34 - 35 Reserved
S36 * Negotiate failure fallback Default : 7
Bit 0-2
0 Modem disconnects
1 Modem stays on-line and a direct mode connection is
established
2 Reserved
3 Modem stays on-line and a normal mode connection is
established
4 A MNP connection is attempted and if it fails, the modem
disconnects
5 A MNP connection is attempted and if it fails, a direct mode
connection is established
6 Reserved
7 A MNP connection is attempted and if it fails, a normal
mode connection is established
Bit 3-7 Reserved
S37 * Desired line connection speed Default : 0
This register specifies the desired line connection speed.
Use of the +MS command is recommended instead of the Nn and
S37=x commands. Nn and S37=x commands are supported for
compatibility with existing communication software.
0 Attempts automode connection. If N0 is active, connection
is attempted at the most recently sensed DTE speed. If N1 is
active, connection is attempted at the highest possible speed.
1-3 Attempts to connect at 300bps
4 Reserved
5 Attempts to connect at 1200bps
6 Attempts to connect at 2400bps
7 Attempts to connect at V.23
8 Attempts to connect at 4800bps