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Table 3. Modem command list (continued)
Command
Description
Syntax
Values
&K&K
&K
Flow Control
&K&K
&K
[<value>]
<value>
0: Disables ow control.
3: Enables RTS or CTS ow
control.
4: Enables XON or XOFF ow
control.
5: Included for compatibility
only and has no effect other than
returning an OK result code.
6: Included for compatibility
only and has no effect other than
returning an OK result code.
&M&M
&M
Asynchronous or
Synchronous Mode
Selection
&M&M
&M
[<value>]
<value>
0 to 3: Included for compatibility
only and has no effect other than
returning an OK result code.
&Q&Q
&Q
Sync or Async Mode
&Q&Q
&Q
[<value>]
<mode>
0 - 3, 6: Select asynchronous
operation in normal mode.
(speed buffering)
5: Select asynchronous
operation in error correction.
+IPR+IPR
+IPR
Fixed DTE Rate
+IPR+IPR
+IPR
=<rate>
<rate>
0 (autodetect), 2400, 4800,
9600, 19200, 38400, 57600,
115200
+IFC+IFC
+IFC
DTE-Modem Local Flow
Control
+IF+IF
+IF
CC
C
=[<modem_by_DTE>
[,<DTE_by_modem>]]
<modem_by_DTE>
0: None.
1: XON or XOFF on transmitted
data; do not pass XON or
XOFF characters to the remote
modem.
2: Circuit 133.
<DTE_by_modem>
0: None.
1: XON or XOFF on received
data.
2: CTS or RTS.
+ILRR+ILRR
+ILRR
DTE-Modem Local Rate
Reporting
+ILRR+ILRR
+ILRR
=<value> <value>
0: Disable reporting of local port
rate.
1: Enable reporting of local port
rate.
Chapter 2. Using your computer 63