MTD2000 AT Command Guide R12
Confidential
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0-9 a-z A-Z ! # $ % & ‘ ( ) * + - . / : < = > ? @
Password
FTP user password of up to 20 alphanumeric characters,
limited to the following characters list:
0-9 a-z A-Z ! # $ % & ‘ ( ) * + - . / : < = > ? @
GPRS Profile
GPRS profile 1 to 10
Example
Command
Response
AT$SU=”ftp://ftp.com.sg/MTD2000-R0240.hex”,”1234”,”abcd”,1
Note: Perform firmware upgrade over the air.
OK
8.8 System Boot Mode – AT$SB
This command will place the device into boot mode, which is used by Downloader for
firmware upgrade via serial port. After power is cycled or device is reset, the device will
remain in boot mode until it is set to normal mode by the Downloader.
Note:
This command is password protected, it is not meant for normal user. It is to be used
only by the Downloader for firmware upgrade.
Syntax
Command
Response
AT$SB=<Password>
Note: Enter boot mode with password protection.
OK
Parameters
Password
Password to enter boot mode
Example
Command
Response
AT$SB=####
Note: Place the device into boot mode.
OK
