Safety Requirements - PictureTel Concorde 4500 Servicing Manual

Safety
Requirements
Using the procedures in this chapter, you can monitor system
functionality, discover where a problem exists, and initiate recovery
procedures to maintain the Concorde¥4500 and keep it running at
peak performance.
You will also Þnd background information explaining the various
types of loopback tests. For information on how to perform these
tests, see the Concorde¥4500 AdministratorÕs Guide.
Before beginning any maintenance procedure, read this information
carefully and follow these guidelines whenever you are servicing
the Concorde¥4500.
A caution indicates an operating practice or procedure that you must
follow correctly to prevent damage to or destruction of equipment.
The Concorde¥4500 cautions are listed below.
Troubleshooting
4
4-1