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APPENDIX C: Connecting to a Cisco Router
2. Type one of the following commands:
• To turn on remote callback security only, type AT#CBS2 and press ENTER.
• To turn on both local and remote callback security, type AT#CBS1 and
press ENTER. When local security is turned on, you must enter the setup
password before you can enter any AT command from a local terminal
except the AT, ATIn, and AT#Sxxxxxxxx commands.
3. Type AT&W0 to store the above commands to nonvolatile memory.
NOTE
For other callback security modes of operation, see Chapter 7.
To Set the Parity of the Callback Security Messages
The parity of the modem’s password prompt and messages must match the parity
of the computer to which the modem is connected.
1. The default parity setting for your modem is no parity (AT#CBP0). To change
the modem’s prompt messages to use even parity, type AT#CBP2 and press
ENTER
. For odd parity, type AT#CBP1 and press ENTER.
2. To store the new parity value, type AT&W and press ENTER.
To Assign Callback Passwords
1. To store a callback password for the first callback memory location, type
AT#CBN0=xxxxxxxx
, where xxxxxxxx is the first password, and press ENTER.
The password must be unique, must be 6 to 10 characters in length, and must
not contain a + or - character.
2. To store a callback password for the second callback memory location, type
AT#CBN1=xxxxxxxx
, where xxxxxxxx is the second password, and press ENTER.
Note that the memory location number in the command is incremented by
one.
3. Repeat as many times as necessary, up to memory location 29, until all
passwords have been entered.
4. To review your entries, type AT&V and press ENTER.
5. To set the modem for direct connect mode, type AT%H1 and press ENTER.