Service indicator
If the service indicator on the 2145 uninterruptible power supply-1U (2145
UPS-1U) is flashing red, maintenance is required.
If the service indicator is on, go to the 2145 UPS-1U MAP to resolve the problem.
Load segment 1 indicator
The load segment 1 indicator on the 2145 uninterruptible power supply-1U (2145
UPS-1U) is not currently used.
Note: Load segment 1 is unused by the SAN Volume Controller. When the 2145
UPS-1U is configured by the SAN Volume Controller, this load segment is
disabled. During normal operation, the load segment 1 indicator is off.
Load segment 2 indicator
The load segment 2 indicator on the 2145 uninterruptible power supply-1U (2145
UPS-1U) is lit (green) when power is available to load segment 2.
When the load segment 2 indicator is green, the 2145 UPS-1U is running normally
and power is available to this segment.
See the 2145 UPS-1U hardware documentation for the location of the power outlets
for this segment.
Hardware for the 2145 UPS-1U
The 2145 uninterruptible power supply-1U (2145 UPS-1U) hardware is shown in
the following graphics.
Locations for the 2145 UPS-1U connectors and switches
The following diagrams illustrate the hardware for the 2145 UPS-1U:
1
Main power connectors
2
Communication port
3
Dip switches
4
Load segment 1 receptacles
5
Load segment 2 receptacles
2145 UPS-1U dip switches
The dip switches are used to configure the input and output voltage ranges.
Because this function is performed by the SAN Volume Controller software, both
switches must be left in the Off position.
svc00308
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26 IBM System Storage SAN Volume Controller: Hardware Installation Guide
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