User guide

Appendix E – Using Out of Band Management
Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide 47
Assigning Callback Passwords
To store a callback password for the first callback memory location:
1. Type AT#CBN0=xxxxxxxx
where xxxxxxxx is the first password.
The password must be unique, must be 6 to 10 characters in length and case-sensitive, and must not contain
a + or - character.
2. Press Enter.
3. To store a callback password for the second callback memory location, type AT#CBN1=xxxxxxxx.
where xxxxxxxx is the second password.
4. Press Enter.
Note: The memory location number in the command is incremented by one.
5. Repeat as many times as necessary until all passwords have been entered.
6. To review your entries:
a. Type AT&V
b. Press Enter.
7. To set the modem for direct connect mode:
a. Type AT%H1
b. Press Enter.
Calling a Modem Configured for Callback Security
1. Using a terminal program and an originating modem, dial the number of the modem connected to the Cisco
router, which we will call the “remote modem.”
2. When connection is established, the remote modem responds: Password>
3. Type a direct connection password, and press Enter. You have three attempts or one minute to enter a valid
password.
4. If the password is valid, the message OK Connecting appears and the modems establish a working
connection.