Chapter 4 - AT Commands, S-Registers, Result Codes
23
MultiModemDID User Guide
Command:
%R
n Cisco Configuration
Values:
n = 0, 1
Default:
0
Description:
%R0 Disables Cisco configuration.
%R1 Sets E0, Q1, &D0, \N0, $SB9600, and %S1 for operation with
a Cisco router.
Command:
%S
n Command Speed Response
Values:
n = 0, 1
Default:
0
Description:
%S0 Sets modem to respond to AT commands at all normal speeds.
%S1 AT commands accepted at 115200 bps only. AT commands at
other speeds are ignored.
Command:
$D
n
DTR Dialing
Values:
n = 0 or 1
Default:
0
Description:
$D0
Disables DTR dialing.
$D1
Dials the number in memory location 0 when DTR goes high.
Command:
$EB
n Asynchronous Word Length
Values:
n = 0 or 1
Default:
0
Description:
$EB0 Enables 10-bit mode.
$EB1 Enables 11-bit mode.
Command:
$SB
n
Serial Port Baud Rate
Values:
n = speed in bits per second
Default:
57600
Description: $SB300
Set serial port to 300 bps.
$SB1200
Set serial port to 1200 bps.
$SB2400
Set serial port to 2400 bps.
$SB4800
Set serial port to 4800 bps.
$SB9600
Set serial port to 9600 bps.
$SB19200
Set serial port to 19200 bps.
$SB38400
Set serial port to 38400 bps.
$SB57600
Set serial port to 57600 bps.
$SB115200 Set serial port to 115200 bps.
Command: +DCS=
x,y Select V.44 Data Compression
Values:
x = 0 or 1 (V.42bis)
y = 0, 1, or 2 (V.44)
Default:
1, 2
Description:
Selects V.42bis/V.44 data compression.
+DCS=0,0 V.42bis and V.44 data compression are both disabled.
+DCS=0,1 V.42bis is disabled; V.44 data compression is acceptable.
+DCS=0,2 V.42bis is disabled; V.44 only when connected to a V.92
server.
+DCS=1,0 V.42bis is acceptable; V.44 data compression is disabled.
+DCS=1,1 V.42bis is acceptable; V.44 data compression is acceptable.
+DCS=1,2 V.42bis is acceptable; V.44 only when connected to a V.92 server.
+DCS=?
Displays the allowed values.
+DCS?
Displays the current value.
