OnCell G2111/G2151I Series
AT Command Set
3-9
4.
Type AT&W and press
Enter
to save the settings.
ATTENTION
Changes to the serial communication parameters take effect immediately. You will need to update your
terminal settings to match any changes in the serial communication parameters. When using XON/XOFF flow
control (AT\Q1) in online mode, +++ should not be used while the data transmission is paused with XOFF.
Before entering the command mode with +++ the paused transmission should be resumed using the XON
character.
2-wire RS-485 Communication (OnCell G2151I
only)
2-wire RS-485 is half-duplex communication. For this reason, the modem’s local echo should be disabled.
Follow these steps to disable local echo:
ATTENTION
The local echo function can also be disabled using OnCell Configurator.
1.
On the bottom of the modem, set DIP switch 1 to
ON
.
2.
Connect the modem's RS-232 port to a host PC. Start PComm Terminal Emulator with the current
communication parameters.
3.
Type
ATE0
and press
Enter
to disable the local echo.
4.
Type
AT&W
and press
Enter
to save the settings. Note that because the local echo is disabled, users will
not see a response from the modem at the terminal screen.
5.
On the bottom of the modem, set DIP switch 1 to
OFF
, DIP switch 2 to
ON
, and DIP switch 3 to
ON
.
This
configures the modem for 2-wire RS-485 communication.
AT&W is entered here.
OK
is the response from the modem
.
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