User`s manual

NPort 6000 Series User’s Manual Configuring Serial Port Operation Modes
7-21
AT Commands
The NPort 6000 supports the following common AT commands as used with a typical modem:
No. AT command Description Remarks
1 ATA Answer manually
2 ATD <IP>:<Port> Dial up the IP address : Port No.
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