SoundExpression SE14SRS, Руководство пользователя

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Command Description
DTE/Modem flow control
AT&K0 Disable flow control.
AT&K3 Enable RTS/CTS (default for
data modem)
AT&K4 Enable XON/XOFF.
AT&K5 Enable transport XON/XOFF.
AT&K6 Enable both RTS/CTS and
XON/XOFF
(default for FAX modem)
Note on Flow Control. XON/XOFF is a
software-based flow control method,
using standard ASCII control characters
to pause or resume data transmission.
RTS/CTS pacing, a hardware-based
method, uses an electrical signal.
Signals are exchanged as follows:
RECEIVER TRANSMITTER
CTS ON START SENDING
CTS ON RTS ON (ready to send)
CTS OFF RTS OFF (stop sending)
Command Description
Select pulse dial make/break ratio
AT&P0 Selects a make/break ratio of
39/61 at 10pps.
US and Canada. (default)
AT&P1 Selects a make/break ratio of
33/67 at 10pps.
UK and Hong Kong.
AT&P2 Same as 0 except at 20pps.
AT&P3 Same as 1 except at 20pps.
Asynchronous mode
AT&Q0 Direct Asynchronous mode.
AT&Q5 Modem negotiates an error-
corrected link. (default)
AT&Q6 Selects asynchronous
operation in normal mode
(i.e., speed buffering).
RTS/CTS (Request to Send/Clear to
Send)
AT&R0 Not supported.
AT&R1 CTS will drop if required by
flow control (default).
Data Set Ready (DSR) signal
AT&S0 Causes DSR signal to be
active at all times. (default)
AT&S1 Causes DSR signal to be
active according to the
CCITT specification.
Test and diagnostics
AT&T0 Terminates any test in
progress.
AT&T1 Executes the local analog
loopback test.
AT&T3 Executes the local digital
loopback test.
AT&T4 Enables the modem to
accept a request from a
remote mode for a digital
loopback test. (default)
AT&T5 Instructs the modem to deny
a request from a remote
modem for a digital loopback
test.
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Modem Command Reference