Supermicro A+ Server 2123BT-HTR - 4.4 LED Indicators

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Chapter 4: Motherboard Connections
4.4 LED Indicators
IPMI LAN LED
The yellow LED indicates activity, while the green/amber LED indicates the speed of the
connection.
IPMI LAN
Link LED
Activity LED
Link LED
Connection Link Speed Indicator
LED Color Denition
None 10 Mb/s
Green 100 Mb/s
Amber 1 Gb/s
Activity LED
Color State Denition
None No Connection
Yellow Solid On Link
Yellow Flashing Active
BMC Hearbeat LED
A BMC Heartbeat LED is located at BMC_HB LED2 on the motherboard.
BMC Heartbeat
LED State
Color State Denition
Green Solid On BMC is not ready
Green Blinking BMC Normal
Green Fast Blinking BMC: Initializing
Onboard Power LED
PWR_OK LED3 is an onboard Power LED. When this LED is lit, the system is turned on and
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Onboard Power
LED Indicator
LED Color Denition
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Green System On, Power OK
UID Switch and LED Indicator
The rear UID LED1 is located next to the UID switch. The front UID LED is located on the
front panel. When you press the UID switch, both rear and front UID LED indicators will
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a system rack with multiple units installed).