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Physical Interface indicates whether there is a good
physical connection between the I-modem and the
central-office switch.
If the Physical Interface is
Inactive
Active
The Data Link Layer can be active only when the Physical
Interface is active. An active Data Link Layer indicates
that the I-modem is ready to make or receive calls.
If the Data Link
Layer is
Inactive
Active
Active (Incorrect
SPID)
16
When you see the Switch Test Completed message,
you're ready to make and receive calls! Select Exit to
close the Configuration Manager.
Using the Configuration Manager
Exit Button
The I-modem has made
No connection.
A good connection.
Then the I-modem
Is not ready to make or receive calls.
Is ready to make or receive calls.
Cannot make or receive calls because
the central office switch does not
recognize the SPID set in the I-modem.
6-7
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