NPort W2150A-W4/W2250A-W4 Series User Manual
115
AT Commands
Ethernet Modem mode supports the following common AT commands, as used with a typical modem:
No. Command
Description
Remarks
1
ATA
Answer manually
2
ATD
Dial up specified IP address and port number
ATD 192.168.1.1:950 (example)
3
ATE
ATE0=Echo OFF
ATE1=Echo ON (default)
4
ATH
ATH0=On-hook (default)
ATH1=Off-hook
5
ATI, ATI0,
ATI1, ATI2
Modem version
reply “OK” only
6
ATL
Speaker volume option
reply “OK” only
7
ATM
Speaker control option
reply “OK” only
8
ATO
On line command
9
ATP, ATT
Set Pulse/Tone Dialing mode
reply “OK” only
10
ATQ0, ATQ1
Quiet command (default=ATQ0)
11
ATSr=n
Change the contents of S register
see “S registers”
12
ATSr?
Read the contents of S register
see “S registers”
13
ATV
Result code type
ATV0 for digit code,
ATV1 for text code (default)
0=OK
1=connect
2=ring
3=No carrier
4=error
14
ATZ
Reset (disconnect, enter command mode and restore the
flash settings)
15
AT&C
Serial port DCD control
AT&C0=DCD always on
AT&C1=DTE detects connection by DCD on/off (default)
16
AT&F
Restore manufacturer’s settings
17
AT&G
Select guard time
reply “OK” only
18
AT&R
Serial port RTS option command
reply “OK” only
19
AT&S
Serial port DSR control
reply “OK” only
20
AT&V
View settings
21
AT&W
Write current settings to flash for next boot up