NEC 128 User Manual
4-2 Installation & Maintenance
VisuaLink 128/384 General Description
Maintenance Requirements
There are no user serviceable (see
Note) components, modules, or
circuits inside the VisuaLink units. If experiencing problems, follow
these guidelines:
these guidelines:
•
Ensure a power source is connected to the VisuaLink unit and the
power control is set to on.
power control is set to on.
•
Check all connections to the VisuaLink unit. Sometimes the wrong
cable may be connected or perhaps loosely plugged-in.
cable may be connected or perhaps loosely plugged-in.
•
Make sure all cables used in a VisuaLink configuration are working
properly, with no broken wires or connectors.
properly, with no broken wires or connectors.
•
Ensure all settings and parameters for VisuaLink operation are
correctly set via the on-screen menus.
correctly set via the on-screen menus.
•
Verify the VisuaLink unit has adequate ventilation. (see previous
section-- Installation Requirements)
section-- Installation Requirements)
Note: A user can unpgrade a VisuaLink 128 to a VisuaLink 384.
Refer to the VisuaLink Quick Installation Guide, Stock #
0293885.
0293885.
If problems still exist after completing the maintenance guidelines,
contact your NEC representative or the NEC Technical Assistance
Center.
contact your NEC representative or the NEC Technical Assistance
Center.