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9–11
*G5 Enables type 2 security, with password check and call back; remote
site enters the call-back number.
*HS Modifies supervisor password.
*Hn Modifies the user password table at location n (0 ≤ n ≤ 49).
+ *I0 AT command set. (Default)
*I1 V.25bis command set.
*I2 Dumb mode.
+ *L0 Panel key normal. (Default)
*L1 Panel key locked. (See also S28.1)
+ *M0 Leased line auto-handshake on originate mode. (Default)
Note: 1. The command *Gn requests supervisor password checking.
2. In security type 1, the remote site must be a ZyXEL modem.
3. In security type 2, the remote site can be any other type of
modem.
4. The modem can store 50 (0-49) telephone numbers. If call
back security is disabled, the modem will search the password
table to check the remote modem's password. If they match, the
modem will keep the connection, otherwise the modem will hang
up. If call back security is enabled, the modem will complete the
password checking. If there is no match, the modem will discon-
nect the line, otherwise the modem will disconnect the line, find the
corresponding phone number and call back immediately. The
remote modem should be set to auto-answer the call and response.
Note: The default supervisor password is ZyXEL.
Note: The commands *Hn and *HS require the supervisor password
before execution. Any character can be entered in the password
(0-255). Maximum password length is eight.
Note: Entering RST command in V.25bis mode will revert the modem to
asynchronous AT command mode.
Note: Use the menu selection on the LCD panel to leave the dumb mode.
For non-LCD models, turn off the power to leave dumb mode.