Sun Microsystems Sun HPC 3.0, Manual

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Figure 6–1 SCI Status LED Locations
Port Status LEDs
The four port status LEDs located on the switch front panel can be used to
troubleshoot individual port failures (Table 6–1).
Note -
A switch port sync error can result from a cable being removed.
TABLE 6–1
SCI Switch Port Status LEDs
Situation Port LED Status
No power All four LEDs not lit
Fatal switch errors:
fatal hardware error,
temperature to high,
fan(s) not operative,
power supply problem
All four LEDs red
Port errors:
SCI cable out,
sync error
Associated port LED is red
Port operative, no transactions Associated port LED is green
Port operative, with transactions Associated port LED is blinking green
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Sun HPC 3.0 SCI Guide
♦
June 1999, Revision A