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February 13, 2012
about 4 years ago
This is an update to my recent posting. Good news (and bad news). I was finally able to get the Cellular Shield to connect to the network via the AT+SBAND=7 command. Yipee!
However, the bad news is that the power LED was bad. I have replaced it with a working SMD LED and I now have a working Cellular Shield with a working LED power indicator. Oooh-rah!
HELP! After a great deal of noodling around and testing (including swapping my SIM card into another working Cellular shield), I have the following situation:
Start of Terminal Monitor Output:
Starting SM5100B Communication…
SM5100B Communications established…
Reading SIM Card Type…
Reading PIN Value…
Reading/Checking for Signal Quality…
Checking to see if SIM Card Logged to Network…
Current DTE indication setting…
Starting SMS AT commands…
Sent CMGF Command…
+CMS ERROR: 313
Please note that my SIM card works fine in the other Cellular shield that has a working LED power indicator.
I have a feeling that since the LED is not on, there is a problem with the power regulator on the shield.
Any help would me most appreciated!
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