Serial Port Configuration
56
Model 2285 Getting Started Guide
4 • Serial port configuration
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 “Patton Electronics Co.”
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]
ATBn, ATCn, ATLn, ATMn, ATNn,
ATP, ATT, ATYn, AT%Cn, AT%En,
AT&Bn, AT&Gn, AT&In, AT&Qn,
AT&V, ATMn, AT\An, AT\Bn,
AT\Nn, ATXn
none
OK [CR][LF]
ATS?, ATSn=x
Internal S-register can be set or read.
Default values are shown on Table 4-4
Changed values are not preserved if the power
is off.
<=
AT&Cn, AT&Wn, AT&Zn=x
Factory default response is ERROR. This can be
changed to OK by user configuration. (Figure 4
8)
ERROR [CR][LF]
or
OK [CR][LF]
ATFn [CR][LF]
None
If n=1
OK [CR][LF]
If others,
ERROR [CR][LF]
ATWn
None
If n=0
OK [CR][LF]
If others,
ERROR [CR][LF]
a. 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.
Table 7. AT commands Response Code
Verbose Code
(After “ATV1” command executed)
Non-Verbose Code(Numeric Code)
(After “ATV0” command executed)
Description
OK
0
Command executed
CONNECT
1
Modem connected
to line
RING
2
A ring signal has been
detected
Table 6. AT commands supported in the Model 2285 (Continued)
Command
Internal Operation
Response
a
(Verbose Code)
