Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 414 Ver. 1.00 – 10/29/2008
4.16.34. $PASSWD Set authorization for AT
commands for serial, SMS and API
Command Function This command allows the user to enable or
disable authorization for AT commands for
the serial, SMS and API. It also sets the
password required to run this command
Command Functional Group Enfora Specific
Command Format Query AT$ATPASSWD=?
Response $ATPASSWD:
(“oldpasswd”,mask|”newpasswd”)
OK
Write Format Response N/A
Read Format Response N/A
Execution Format Response AT$ATPASSWD=
<”oldpasswd”,”newpasswd”>
AT$ATPASSWD=<”passwd”,mask>
Parameter Values
<oldpasswd> Specified when the password is being
changed. If the password has been lost,
there is a utility that given the unit’s IMEI,
will provide a back door password.
<newpasswd> This is the value of the new password and
is specified only when the password is
being changed. It must be no more than
eight characters in length and must be
enclosed in double quotes.
<passwd> Specified when changing the AT command
authorization mask. The backdoor
password will not work in this format of the
command.
<mask> Bit mask specifying which interfaces will be
authorized to enter AT commands. Each
bit specifies one interface as enumerated in
the table below.