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System Setup
Chapter 4:
Setup and Configuration
Diagnostic Tests
Upon Power On
Upon power on, the system performs an internal self-diagnostic
test of major hub components. If any component fails during
the test, the hub will try to complete the diagnostic procedure.
Otherwise, the system will hang. For related information, refer
to
Diagnostic Test LED Indicators
The following table shows the components to be tested.
Test Function/Component
CPU
ROM
RAM
Serial communication controller
Hub control 1
Hub control 2
Timer
During Normal Operation
You can use the Configure button any time you want the
system to perform a diagnostic test. However, when testing
begins, the system leaves normal operation. If no problem is
encountered by diagnostics, the system automatically returns to
normal operation.
in Chapter 2.
4-1
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