Cisco Cisco C880 M4 Server 설치 가이드
3.Operating and Indicator Elements
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3.3. Indicator Elements on the Rear Side
You can see the following on the rear side of the storage subsystem:
–
Status LEDs of the SAS expander unit
–
Status LEDs of the power supply units
Status LEDs of the SAS Expander Unit
3.3.1.
Figure 5: Status LEDs of the SAS expander unit
–
Ready/Fault LED (green/amber)
–
SAS-OUT Link/Fault LED (green/amber)
–
SAS-IN Link/Fault LED (green/amber)
–
UNIT ID LED (blue)
LED
Color
Status
Meaning
Ready/Fault
Green
ON
Normal Operation
Amber
ON
Error detected
SAS-OUT/ SAS-IN
Link/Fault
Green
ON
SAS link up
Amber
ON
Specifies the SAS cable for exchange
UNIT ID
Blue
Blinking
Specifies the expander location
Status LED of the Power Supply Units
3.3.2.