Insys GSM 4.2 Compact 11-02-01-03-04.002 用户手册
产品代码
11-02-01-03-04.002
Operating Modes
INSYS GSM 4.2
INSYS GSM 4.2 compact
34
Sep-06
Connections can be terminated as follows:
¾
Manually by the ATH command in online command mode
¾
If the remote terminal hangs up
¾
By idle connection control
¾
By activating an alarm input
¾
By DTR drop
4.2
Command Mode
4.2.1 Offline command mode
The offline command mode is the state after switching on or resetting the INSYS GSM.
You can address the INSYS GSM during offline command mode using AT commands.
You can address the INSYS GSM during offline command mode using AT commands.
4.2.2 Online command mode (local)
During a data connection, you can put the INSYS GSM into online command mode by
entering the escape sequence via the serial interface.
Requirements:
entering the escape sequence via the serial interface.
Requirements:
The data communication is perhaps active.
There has been no data traffic for at least one second.
Entering the escape sequence:
1.
1.
Swiftly enter the characters +++ (without <CR>).
2.
Wait at least one second.
The
response
OK
is displayed.
The device is in command mode.
3.
Wait two more seconds before entering AT commands.
The data connection will remain established. You can terminate the data connection by
entering ATH. The INSYS GSM changes back to connection mode with ATO.
entering ATH. The INSYS GSM changes back to connection mode with ATO.