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Troubleshooting and Problem Solving
Table 4–2 Ops Panel LED States
LED
Invalid
Address
Power On
System Fault System/SCM Fault
PSU/Cooling
Fault
2Gb Link
Speed
Hub Mode
40
Definition
Indicates that an invalid
Enclosure ID has been selected
or that the selection has
changed after Power On
Enclosure Powered On
PSU Cooling fault or enclosure
over-temperature.
Indicates link speed
Not Used
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide
Color
Normal
Status
Amber Off
Green
On
Amber Off
Amber Off
Green
Off
Green
Off
Fault
Status
Flashing
Off
On
On
On
Off
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