Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Enterprise 10000 LEDs

System Board LEDs

LABEL COLOR DESCRIPTION
3.3VDC

5VDC
Yellow

Yellow
3.3VDC is present on the System board
The System Board is NOT safe to service
5VDC is present on the System board
The System Board is NOT safe to service
VDC CORE Yellow VDC Core is present on the System board
The System Board is NOT safe to service
5VDC HK
3.3VDC HK
Green
Green
5.0VDC Housekeeping power is present
3.3VDC Housekeeping power is present
HK S/W Green Displays the state of a designated bit position on
  the power control JTAG ring
S/W 7 - S/W 0 Green Programmable LEDs that can be read and written
  by JTAG or software

Control Board LEDs

LABEL COLOR DESCRIPTION
HK S/W Green State of bit 8 on the power control JTAG ring
S/W 0 - S/W 7

S/W 0 - S/W 6

S/W 7
Green

Green

Green
Programmable bits that indicate the state of an
  8-bit register in the SPARClite address space
Displays a walking 1s pattern when the Control
  Board Executive is operating normally
Indicates the network is operational
PORT CLAIM Green JTAG System Controller is active
TRANSMIT
RECEIVE
LINK
COLLISION
Green
Green
Green
Green
Ethernet transmit status
Ethernet receive status
Ethernet link status
Ethernet collision status
5VDC HK
3.3VDC HK
Green
Green
5.0VDC Housekeeping power is present
3.3VDC Housekeeping power is present
5VDC

5VDC FAN
5VDC PER
Yellow

Green
Yellow
5VDC is present on the Control board
The Control Board is NOT safe to service
5VDC Fan Control power is present
Peripheral Cabinet power control is present

Centerplane Support Board LEDs

LABEL COLOR DESCRIPTION
3.3VDC Yellow 3.3VDC is present on the System board
The System Board is NOT safe to service
5VDC HK
3.3VDC HK
Green
Green
5.0VDC Housekeeping power is present
3.3VDC Housekeeping power is present
HK S/W Green Displays the state of a designated bit position on
  the power control JTAG ring

Fan Tray LEDs

LABEL COLOR DESCRIPTION
None Yellow 24VDC is present
The Fan Tray is NOT safe to service

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