Supermicro SuperServer SYS-240P-TNRT User Manual page 68

Unit ID LED
A rear UID LED indicator (LED1) is located next to the UID switch. This UID indicator provides
easy identification of a system unit that may need service.
Onboard Power LED
The Onboard Power LED is located at LED2. When this LED is on, the system power is on.
Be sure to turn off the system power and unplug the power cord before removing or installing
components.
BMC Heartbeat LED
A BMC Heartbeat LED is located at BMC_HB_LED1 on the motherboard. When this LED is
blinking, the BMC is functioning normally.
Chapter 4: Motherboard Connections
UID LED
LED Indicator
LED Color Definition
Blue: On Unit Identified
Onboard Power LED Indicator
LED Color Definition
Off System Power Off
Green System Power On
BMC Heartbeat LED Indicator
LED Color Definition
Green:
BMC Normal
Blinking
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