ZyXEL Communications U-336SA - Manual (Page 66)

52 Special Functions
********
OK
The command AT*Hn will modify the nth user password. You will be
prompted to enter the supervisor password first and then be prompted
to enter the nth user password.
Levels of security:
Command Function
*G0 Disable security function.
*G1 Enable type 1 and level 1 security, with password
check.
*G2 Enable type 1 and level 2 security, with password check
and callback.
*G3 Enable type 2 and level 1 security, with password
check.
*G4 Enable type 2 and level 2 security, with password check
and callback.
*G5 Enable type 2 and level 2 security, with password check
and callback, remote site enters the callback number.
ON OTE
: B
EFORE THE SECURITY TYPE OR LEVEL CAN BE CHANGED
,
THE MODEM
REQUIRES THE SUPERVISOR PASSWORD
.
For type 2 security, the remote site will be prompted to enter the user
password. A maximum of 3 tries in 40 seconds is allowed. If a correct
password is not entered within this time limit the line will be
disconnected. If the remote site is to enter the callback number it will be
prompted to do so.