208 Problems with equipment
Running a Maintenance session to test a dead telephone
Run a Maintenance session to ensure that the telephone is
not disabled. (See
Status in the Maintenance
chapter.)
2. While you are in the Maintenance session, run a connectivity
test on the port connected to the telephone. This should be
done after business hours to avoid losing calls.
3.
Disable the port connected to the telephone using the
subheading:
Status.
4.
Enable the port connected to the telephone using the
subheading:
Status.
KSU down
1
If ac power is present and the LED indicator on the KSU is
OFF, replace the KSU. (The location of the LED indicators is
described in the Installation chapter.)
telephone display unreadable
If the trouble is with an M7310 Telephone or an M7324
Telephone:
1.
Press [Feature]
2.
Press the Up or
display button to adjust the display to
the desired level.
3. Press the
display button.
If the trouble is with an M7100 Telephone or M7208
Telephone:
1.
Press
.
2.
Press a number on the dial pad to adjust the display to the
desired level.
3.
Press
If the display is still unreadable:
1.
Disable the problem telephone.
2.
Replace the problem telephone with a known working one.
3.
Enable the working telephone.
Modular DR5 Installer Guide
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