Siemens M1 manual Troubleshooting, At&F, Ath

Installation / startup

Enter:	AT&F	Loads factory configuration.
GSM module	OK
Enter:	ATD<tel. no.>	The dial command
M1		Dials the telephone number and informs
		you when it is successful.
	CONNECT xxxx	"xxxx" is the baud rate for the
		connection. The GSM module is now
		operating in transparent mode, i.e. entries
		you make via the keyboard are transmitted
		to the distant end.
	Pause
Enter:	+++	Interrupt command:
		Press the “+“ key three times in rapid
		succession.
	Pause
M1 returns:	OK	Changes to command mode.
Enter:	ATH	Command to go on-hook
M1 returns:	OK	The connection is cleared down; M1 has
		gone on-hook.

For more information, see Technical reference sec7tion.

Troubleshooting

GSM module can still be accessed

As long as the GSM module is still responding to commands, you can enter the AT&F0 command to load the factory configuration. In any case, this will permit further opera- tion.

•Check whether the communication program is configured for the serial interface to which the GSM module is connected.

•Check the parameters of your communication program. The following settings will always work:

Transfer rate	2400 – 19200 baud
Data bits	8
Parity	None
Stop bits	1
Duplex	Full

Check whether other programs (e.g. printer spooler) are interfering with the function- ing of the communication program. Restart your computer without additional pro- grams, with the operating system alone (switch off and then on).

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