NEC Electra Elite 192 Hardware Manual page 347

Electra Elite
S 4
ECTION
T
ROUBLESHOOTING
System Hardware Manual
4.1 Remote Administration and Maintenance
The Maintenance and Diagnostics feature can remotely access the
Electra Elite 192 system for maintenance and diagnostics. The
remote PC and the system are connected via a modem (built-in or
external).
4.2 Problem Solving
To find the cause, consider all problem symptoms carefully. As
each aspect of the problem is considered, the technician is guided
to a probable solution. The problem must be defined as accurately
as possible, so that the most efficient steps to the solution can be
taken. Flowcharts in the next section help define the problem.
4.2.1 System Down
This term describes one of the following situations:
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4.2.2 Partial Operation
This term refers to any situation that cannot be
completely described under the System Down conditions.
No access to internal dial tone on any Multiline
Terminal or Single Line Telephone is installed.
No LED indication, display indication, or Multiline
Terminal is installed.
No system tones are generated.
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