IBM TotalStorage SAN Volume Controller, Installation Manual

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System board power LED
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System board fault LED
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Monitor LED (not used)
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Lower Ethernet connection LED
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Upper Ethernet connection LED
Related reference
“System board power LED”
The system board power LED indicates the power supply status that is detected
by the system board.
“System board fault LED” on page 9
The amber system board fault LED indicates that the system board has
detected a critical failure.
“Monitor LED” on page 9
The green monitor LED is not used on the SAN Volume Controller.
“Lower Ethernet connection LED” on page 9
The lower Ethernet connection LED indicates the operational status of Ethernet
port 1. This LED is illuminated when a good Ethernet connection exists between
the SAN Volume Controller and the Ethernet network.
“Upper Ethernet connection LED” on page 9
The upper Ethernet connection LED indicates the operational status of Ethernet
port 2. Ethernet port 2 is not used on the SAN Volume Controller except during
Ethernet problem determination.
System board power LED
The system board power LED indicates the power supply status that is detected by
the system board.
Attention: If a SAN Volume Controller is powered off for more than five minutes
and it is the only SAN Volume Controller connected to an uninterruptible power
supply (UPS) 5125, the UPS 5125 will also power off. To power on the SAN Volume
Controller, you must first power on its UPS 5125 to which it is connected.
Note: The UPS 5115 will not power off when the SAN Volume Controller is shut
down from the power button.
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IBM TotalStorage SAN Volume Controller: Installation Guide
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