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7.2.4. Dial Back Numbers
Both the System Password and the User Passwords allow definition of a Dial Back Number.
When a Dial Back Number has been defined for a given password, callers who enter that
password will not be granted immediate access. Instead, when a valid password is entered, the
SRM will disconnect, call the defined Dial Back Number for the password, and then grant
access to the answering party.
When a Dial Back for a System Password is performed, the SRM-100 will allow access to the
Command Mode. When a Dial Back for a User Password is performed, the SRM will allow
access to the secure device. The System Dial Back Number is defined via the General
Parameters Menu (/G), and the User Dial Back Numbers are defined via the Edit Password
Directory Menu (/E).
Note that when User Dial Back Numbers are defined, the SRM can be configured to perform a
Dial Back for some User Passwords, while granting immediate access to other User Passwords.
If the Dial Back Number is not defined for a given password, then a Dial Back will not be
performed when that password is entered at the log in prompt.
Notes:
• Additional callers will receive a busy signal while the Dial Back operation is in
progress.
• If the initial call is not successful, the SRM will repeat the Dial Back procedure as
specified by item 12 (Dial Back Attempts) and item 13 (Dial Back Delay) in the
General Parameters Menu (see Section 5.2).
7.2.5. Password on Dial Back
The Password on Dial Back option provides an additional level of security when Dial Back
numbers are used; when a Dial Back is performed, the SRM will prompt the answering party to
enter a password before allowing access. When this feature is enabled at the System
Parameters Menu, it will be applied to both System Passwords and User Passwords.
Each time the SRM is accessed via modem, a password prompt is displayed, and the caller will
then key in a User Password or System Password. If the password is recognized as valid, the
SRM will check to see if a Dial Back Number has been assigned to that password.
If a Dial Back Number has been assigned, the SRM will hang-up, and call the Dial Back
Number. If "Password on Dial Back" has been enabled, the answering party will again be
prompted to enter a password. If the System Password is entered, the answering party will be
allowed to access Command Mode. If a User Password is entered, the answering party will be
allowed to access the secure device.
Note that the password entered at the Dial Back prompt must be the same password that was
entered at the dial in prompt.
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SRM-100 - Secure Rack Modem, User's Guide Operation