Rear Components - Silicon Graphics Origin 300 User Manual

A: Technical Specifications

Rear Components

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The PCI expansion module has the following rear-panel items (refer to Figure A-19):
• Power switch powers on the L1 controller when moved to the
to the position powers off the L1 controller.
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• 12-Vdc LED illuminates green when the power switch is in the On position and the
power bay supplies 12 Vdc to the module.
• 48-Vdc LED illuminates green when the power bay supplies 48 Vdc to the module
at the request of the L1 controller.
• PWR (power) connector attaches to the power bay via a DC power cable.
• PCI slots seat the PCI cards. Each slot has two LEDs:
– PWR (power) LED illuminates green when the PCI card carrier is installed
securely and is receiving power.
– Fault LED illuminates orange when a fault occurs with the PCI card.
• NUMAlink connector attaches the PCI expansion module to the NUMAlink
module via a NUMAlink cable.
• Bulkhead filler plate covers the unused connector slot so that air flows properly
through the module.
position; moving it
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