Basic Troubleshooting; To Check Common Problems; Registered Phone; Unregistered Phone - NEC DT820 Series User Manual

To c he c k c ommon p r obl e ms
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Figure 11.1 Registered Phone
Figure 11.2 Unregistered Phone
Figure 11.3 Network Cable Unplugged
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P H O N E T R O U B L E S H O O T I N G

Basic Troubleshooting

B A S I C T R O U B L E S H O O T I N G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If you are having problems with your phone, check the following common problems:
If your phone has an LCD display, check for any icons that indicate a problem
registering or connecting to the network.
If your phone is not registered on the network or indicates the network cable is
unplugged, try plugging your phone into another active LAN port on the local area
network.
Check both ends of the network cable that you use to connect your phone to the
network for loose connections. Try using another network cable to connect your phone
to the network.
Contact your system administrator to verify that there are no problems with your local
network. If you are having problems with your computer network, it may impact the
function of your phone.
If you cannot make outside calls, contact your system administrator to verify that there
is not a problem with outside telephone service.
Verify that the phone is receiving power.
If the phone is plugged into a PoE (Power Over Ethernet) jack, check that the network
a.
connector is firmly plugged into the jack. If possible, try plugging your phone into
another PoE jack on your network.
If the phone uses a power cord, verify that the power cord is firmly plugged into the
b.
AC outlet. If possible, try plugging the power cord into another AC outlet.
Restart the phone. This not only restarts the phone, it downloads the latest firmware for
your phone, which may solve your problems. To restart the phone:
Press the Menu key.
a.
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Select Reboot.
b.
Press the OK softkey or
c.
If you cannot
Note: restart
unplug the phone from power and the network for ten seconds, then reconnect
the telephone to your network and power to perform a
If you are still having problems with your phone, contact your system administrator.
b
Enter key on the cursor pad to restart the phone.
the phone using the Menus if your phone is locked up,
.
restart
DT820 Phone User Guide