MTD2000 AT Command Guide R12
Confidential
DAVISCOMMS (S) PTE LTD
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Note:
1. During the image download process, the device will continue the normal operation.
2. After download complete and during the image upgrade process, the device will
enter boot mode and stop the normal operation.
3. Once the image upgrade is completed, the device will reset to run in normal mode.
4. If the FTP URL is invalid, the device will send out an unsolicited response to indicate
invalid FTP URL.
5. If the FTP user name is invalid, the device will send out an unsolicited response to
indicate invalid FTP user name.
6. If the FTP user password is invalid, the device will send out an unsolicited response
to indicate invalid FTP user password.
7. If the device cannot connect to the GPRS gateway via the GPRS profile, the device
will send out an unsolicited response to indicate invalid GPRS profile.
8. If the incorrect image is downloaded, the device will send out an unsolicited
response to indicate invalid image.
9. If the image download is failed, the device will send out an unsolicited response to
indicate download fail.
10. If the image download is completed, the device will send out an unsolicited response
to indicate download complete and upgrade start.
Syntax
Command
Response
AT$SU=<URL>,<User>,<Password>,<GPRS
Profile>
Note: Perform OTA firmware upgrade.
OK
Parameters
URL
FTP URL of up to 60 alphanumeric characters, limited to the
following characters list:
0-9 a-z A-Z ! # $ % & ‘ ( ) * + - . / : < = > ? @
User
FTP user name of up to 20 alphanumeric characters, limited
to the following characters list: