N O V A T E L W I R E L E S S T E C H N O L O G I E S L T D .
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A T C o m m a n d S p e c i f i c a t i o n - E x p e d i t e a n d M e r l i n
W i r e l e s s I P M o d e m s
Program Mode
Description:
Program mode permits the user to change S register parameters that affect the modems operation.
Program mode was created as a means of protecting the configuration of the modem from spurious or
unwanted attempts to change them. The addition of the password protects the equipment from
unauthorized access and modification. While in program mode, the modem is disconnected from the
network. Data cannot be sent or received over the wireless link.
Format:
AT\APROG,NRM6812
Enter program mode
AT&W
Save changes and exit program mode
ATZ
Exit without saving changes
The password field is case sensitive. The modem will distinguish upper and lower case letters to be
different. In the above example, NRM6812 is the default password. NRM must be entered as capital
letters otherwise the password will not be accepted. Passwords should be more than six characters
however the software will accept any number of characters up to 8.
Validity:
The user can enter program mode while in AT Command mode.
Other Considerations:
Besides being used as the password for entry into Program mode, the password is also used as a qualifier
for the escape sequence used to exit data modes. Care should be used when changing passwords.
Related Topics:
Changing Password, Saving Settings, Soft Reset, S Registers,
