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4.5 LED Indicators
Unit ID LED
A UID LED indicator (LE1) is located next to the UID switch (JUIDB1) on the motherboard.
The UID indicator provides easy identification of a system unit that may need service.
Onboard LAN LED
There are two 25G LAN LEDs located at LED_L0 and LED_L1 on the motherboard. Refer
to the table below for more information.
BMC Heartbeat LED
A BMC Heartbeat LED is located at LEDM1 on the motherboard. When LEDM1 is blinking,
the BMC is functioning normally. Refer to the table below for more information.
UID LED
LED Indicator
LED Color
Definition
Blue: On
Unit Identified
25G Onboard LAN LED State
LED Color
Definition
Green: Blinking
Device Working
BMC Heartbeat LED Indicator
LED Color
Definition
Green:
BMC Normal
Blinking
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Chapter 4: Motherboard Connections
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Troubleshooting
