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007-4653-001
5: PX-brick
External Components
This section describes the external components located on the front and rear panels of the
PX-brick.
Front Panel Components
The following are the front-panel components of the PX-brick (see Figure 5-3):
•
L1 controller display.
This liquid crystal display (LCD) displays status and error
messages that the L1 controller generates.
Note:
For more information about the L1 controller, see the
SGI L1 and L2 Controller
Software User’s Guide
.
•
On/Off switch with LED.
Press this button to turn on the internal components of
the PX-brick. Alternatively, you can turn on the internal components at an L2
controller touch display or at a system console.
•
LEDs:
–
On/Off switch LED.
This green LED illuminates when 48-VDC power is
applied to the internal components of the PX-brick.
–
Service required LED.
This LED illuminates yellow to indicate that a
component is broken or is not operating properly (for example, if a fan is off),
but the PX-brick is still operating.
–
Failure LED.
This LED illuminates red to indicate that a system failure has
occurred and the PX-brick is not operating.
•
Fans.
Three hot-swappable fans provide the required cooling for your PX-brick.
Warning:
To prevent personal injury, or damage to the PX-brick, the
hot-swappable fans can be installed only by a trained SGI system support
engineer (SSE).
Summary of Contents for Origin 3900
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