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Chapter 4: Motherboard Connections
4.5 LED Indicators
LAN 1/LAN 2
IPMI LAN
(X8ST3-F)
BMC LAN
Activity LED
Link LED
BMC LAN LEDs
A BMC LAN is located on the front I/O board. The amber LED on the right indicates activity,
while the LED on the left indicates the speed of the connection. Refer to the table below for
more information.
BMC LAN LEDs
Color/State
Definition
Link (left)
Green: Solid
Amber: Solid
100 Mbps
1Gbps
Activity (Right)
Amber: Blinking
Active
UID LED
LED Indicator
LED Color
Definition
Blue: On
Unit Identified
Unit ID LED
A UID LED indicator is located at LED1. The UID indicator provides easy identification of a
system unit that may be in need of service.
Onboard Power LED
The Onboard Power LED is located at LE3. When this LED is on, system power is on. Be
sure to turn off the system power and unplug the power cord before removing or installing
components. Refer to the table below for more information.
Onboard Power LED Indicator
LED Color
Definition
Off
System Power
Off (power cable
not connected)
Green
System Power
On
