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106 en | Appendix B Modem Setup
7.
8.
Notice!
Once connected, you should check whether the connection is stable by typing "AT" followed
by enter, you should get an "OK" reply from the GMS modem.
If there is no reply or the reply is not "OK" but display some unknown character, then it is
possible that the GSM Modem baud rate is incorrect. Change the baud rate and reconnect.
9.
10. Type "AT+IPR=19200" and press the enter key. You should get an "OK" replay.
11. Now you will need to change your baud rate of the HyperTerminal to 19200.
12. Click the disconnect icon to disconnect the connection.
13. Click the change icon to change the Baud rate to 19200 and then click the connect icon
14. Type "AT" followed by a return, if the GSM modem replies "OK" then the configuration is
15. You will need to save the configuration into the non -volatile memory in the GSM modem.
16. Type "AT&W" followed by a return, the GSM modem will reply "OK".
17. Reboot the GSM modem and try connecting again to the GSM modem using the baud rate
19.2
How to Test the GSM Modem
You could test whether the GSM modem is working before connecting it to the AEC2.1.
2018.11 | 1.0.6 | F.01U.122.796
Click the
button and in the next screen set the Baud rate, set it to 115200
Bits per second, 8 Data bits, 1 stop bit and None in the Parity as shown below.
Click the
button to start the connection.
Once you have connected to the GSM Modem, don't change the baud rate.
to reconnect with the GSM modem again.
complete.
19200.
Hardware Installation Manual
Access Easy Controller 2.1
Robert Bosch (SEA) Pte Ltd
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