User manual

S REGISTERS
Section 8
8-6
Copyright (C) Dataplex Pty Ltd
S21 DTR Control, Dumb Mode, Alarm Mode, Password
Default : 0
Range : 0 to 255 (Stored in NVRAM)
This register is read only and writing to this register may cause unpredictable results.
BIT VALUE(S) AT
COMMAND
DESCRIPTION
0 0
1
AT&C0
AT&C1
CD always asserted.
CD follows line carrier.
2 1 0 0
0 1
1 0
1 1
AT*D0
AT*D1
AT*D2
AT*D3
Disable dumb mode.
Ignore AT commands.
Ignore abort options.
Ignore AT and abort key operations.
4 3 0 0
0 1
1 0
1 1
AT*A0
AT*A1
AT*A2
AT*A3
Alarm mode disabled.
Full alarm mode enabled.
Partial alarm mode enabled.
Reserved.
6 5 0 0
0 1
1 0
AT*P0
AT*P1
AT*P2
Password security disabled.
Password security enabled.
Password with dialback.
7 0
1
AT*R0
AT*R1
Remote configuration disabled.
Remote configuration enabled.
S23 Modulation,CCITT\Bell,Parity,Guard Tone,Calling Tone
Default : 18 Hex
Range: : 0 to 255 (Stored in NVRAM)
This register is read only and writing to this register may cause unpredictable results.
BIT VALUE(S) AT
COMMAND
DESCRIPTION
2 1 0 0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
ATF0
ATF1
ATF2
ATF3
ATF4
ATF5
Line speed set by terminal speed.
300 bps.
Not used.
Not used.
V.22 or Bell 212A 1200 bps.
V.22bis 2400 bps.
3 0
1
ATB0
ATB1
Disable Bell Mode.
Enable Bell Mode.
5 4 0 0
0 1
1 0
1 1
Not Applicable Even parity.
Space parity.
Odd parity.
Mark parity.
6 0
1
AT&G0
AT&G1
No Guard tone.
Guard tone enabled.
7 0
1
AT*G0
AT*G1
No calling tone.
Calling tone enabled.