© National Instruments | B-19
RMC-8356 User Manual
Dedicated IPMI LAN LEDs
An IPMI LAN is also located on the rear I/O panel. The LED on the right indicates activity,
while the LED on the left indicates the speed of the connection.
Unit ID LED (UID)
A rear Unit ID LED (LED1) is located next to the I/O back panel. This UID indicator provides
easy identification of a system unit that may be in need of service. Refer to the table for the LED
status.
BMC Heartbeat LED
A BMC Heartbeat LED is located at LED3 on the motherboard. When LED3 is blinking, the
BMC is functioning normally.
Onboard Power LED
The Onboard Power LED is located at LED4. When this LED is on, i means power is present on
the motherboard. Be sure to turn off the system and unplug the power cord before removing or
installing components.
Table B-39. IPMI LAN LED
LED Color State
Off Off No Connection
Green: Solid Link/Speed (Left) 100 Mb/s
Amber: Blinking Activity (Right) Active
Table B-40. Unit ID LED Indicator
LED Color Definition
Blue: On Unit identified
Table B-41. BMC Heartbeat LED Indicator
LED Color Definition
Green: Blinking BMC: Normal
Table B-42. Onboard Power LED Indicator
LED Color Definition
Off System Off (power cable not connected)
Green System On
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