SENA SS800 User Manual
Page 52
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a summarized AT command table which is supported by the Super Series. Figure 4-7 shows the
typical case of the serial port command flow when ATDA command is used to connect to the Ethernet
network.
Table 4-2 AT commands supported in the Super Series
Command
Internal Operation
Response
9
(Verbose Code)
+++
Return to command input mode
None
ATD(T)
[remote
IP
or
domain
name]:[remote port]
[CR][LF]
or
ATD(T)
[remote IP][remote port]
[CR][LF]
Set TCP mode as TCP client mode. And then, try to connect
to the specified remote host.
e.g. atdt192.168.1.9:1002
e.g. atdt1921680010091002
Connect to IP address, 192.168.1.9, port 1002
(Port Number is permitted from 1 to 65534)
e.g. atdtss.sena.com:1002
Connect to domain address ss.sena.com, port 1002
If success,
CONNECT [CR][LF]
If failure in connection,
NO CARRIER [CR][LF]
If other errors,
ERROR [CR][LF]
AT or ATZ [CR][LF]
Initialize TCP socket and serial port
ATA/ [CR][LF]
Repeat last command
ATA
[Local port number]
[CR][LF]
Set TCP mode as TCP server mode. And then, set TCP state
as [Listen].
-. If the command parameter, Local port number is not
specified, the TCP session parameter, Local Port is used
instead.
ATEn [CR][LF]
E, E0: Disable echo
E1: Enable echo
ATOn [CR][LF]
O, O0: Turn to data mode
ATQn [CR][LF]
Q, Q0: Response display on (default)
Q1: Response display off
ATVn [CR][LF]
V, V0: Response =
V1 (default): Response =
AT&Dn [CR][LF]
D, D0: ignore DTR(PC) signal
D2(default): disconnect TCP session
AT&Fn [CR][LF]
F, F0, F1: Restore default modem settings
AT&Kn [CR][LF]
K, K0: No flow control
K3: RTS/CTS flow control (default)
K4: Xon/Xoff (if supported)
AT&Sn [CR][LF]
S, S0: DSR(PC) always high
S1: DSR(PC) shows TCP connection
If successful,
OK [CR][LF]
If failure,
ERROR [CR][LF]
ATHn [CR][LF]
H, H0: Disconnect current TCP connection
All the data will be cleared
H1: Keep the current TCP connection
OK [CR][LF]
ATIn [CR][LF]
I, I0 : display “Sena Technologies, Inc.”
I3 : display model number
Others : display “OK”
<=
AT\Tn [CR][LF]
Set inactivity timer to n minutes
\T, \T0: inactivity timer disabled (default)
OK [CR][LF]
9
If Echo mode is enabled, the command will be sent back first. And then, corresponding response will be sent. If disabled, only
response will be sent.