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CHAPTER 5: AT Commands, S-Registers, and Result Codes
Command:
$SBn
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 19,200 bps.
$SB38400
Set serial port to 38,400 bps.
$SB57600
Set serial port to 57,600 bps.
$SB115200 Set serial port to 115,200 bps.
$SB230400 Set serial port to 230,400 bps.
Command:
+DCS=x,y
Select V.44 Data Compression
Values:
x = 0 or 1 (V.42 bis);
y = 0, 1, or 2 (V.44)
Default:
1,2
Description:
Selects V.42 bis/V.44 data compression.
+DCS=0,0
V.42 bis and V.44 data compression are both
disabled.
+DCS=0,1
V.42 bis is disabled; V.44 data compression is
acceptable.
+DCS=0,2
V.42 bis is disabled; V.44 only when connected to a
V.92 server.
+DCS=1,0
V.42 bis is acceptable; V.44 data compression is
disabled.
+DCS=1,1
V.42 bis is acceptable; V.44 data compression is
acceptable.
+DCS=1,2
V.42 bis is acceptable; V.44 only when connected to a
V.92 server.
+DCS=?
Displays the allowed values.
+DCS?
Displays the current value.
