© Microhard Systems Inc.
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5.0 AT Command Line Interface
5.2 AT Command Syntax
The follow syntax is used when issuing AT Commands on the BulletPlus
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All commands start with the AT characters and end with the <Enter> key
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Microhard Specific Commands start with +M
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Help will list top level commands (ATL will list ALL available AT Commands)
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To query syntax of a command: AT+<command_name>=?
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Syntax for commands that are used only to query a setting:
AT<command_name>
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Syntax for commands that can be used to query
and
set values:
AT<command_name>=parameter1,parameter2,… (Sets Values)
AT<command_name>? (Queries the setting)
Query Syntax:
AT+MSMNAME=? <Enter>
+MSMNAME: Command Syntax:AT+MLEIP=<modem_name>
OK
Setting a value:
AT+MSMNAME=BulletPlus-Test <Enter>
OK
Query a setting:
AT+MSMNAME? <Enter>
Host name:BulletPlus-Test
OK
A screen capture of the above commands entered into a unit is shown below:
Image 5-5: Telnet AT Command Syntax
Once AT commands are entered, they must be saved into the file system to enable the changes.
AT&W
Saves changes.
ATO or ATA
Exits the AT Command Line Interface, if used before AT&W,
changes are discarded.