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4-1
Chapter 4:
Setup and Configuration
System Setup
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 in Chapter 2.
The following table shows the components to be tested.
Test Function/Component
EtherHub-16i
+
EtherHub-16mi
+
CPU CPU
ROM Flash ROM 1
RAM SRAM
Serial communication controller LAN controller initialization
Hub control 1 LAN controller ID address
Hub control 2 LAN controller loop back test
Timer LAN controller INT
Hub controller 1
Hub controller 2
Stack management bus
Serial port RS232 controller
EEPROM
Flash ROM 2