Supermicro 2028UT-BC1NRT, User Manual, Page: 63 / 138

Chapter 5: Advanced Serverboard Setup
5-19
5-9 Onboard Indicators
LAN Port LEDs
The Ethernet ports (located beside
the VGA port) have two LEDs. One
LED indicates activity when blinking
while the other LED may be green,
amber or off to indicate the speed of
the connection. See the table on the
right for the functions associated with
the connection speed LED.
LAN LED
Connection Speed Indicator
LED Color Definition
Off No connection, 10 Mb/s, 100 Mb/s
Green 10 Gbps (X10DBT-T Only)
Amber 1 Gb/s
Dedicated IPMI LAN LEDs
In addition to LAN1 and LAN2, the
serverboard has an dedicated IPMI
LAN port located on the I/O backpanel.
The amber LED indicates activity,
while the Link LED indicates the speed
of the connection. See the table on the
right for more information.
Activity LED Link LED
IPMI LAN Link LED (Left) &
Activity LED (Right)
Color/State Definition
Link (Left) Green: Solid 100 Mb/s
Activity
(Right)
Amber: Blink-
ing
Active
Onboard Power LED
An Onboard Power LED is located at
LE1 on the serverboard. When this
LED is on, the system is on. Be sure
to turn off the system and unplug
the power cord before removing or
installing components. See the table
on the right for more information.
Onboard PWR LED Indicator
LED States
LED Color Definition
Off Normal Power Off (w/
power cable connected)
Green System On
Green:
Flashing
Quickly
ACPI S1 State
BMC Heartbeat LED
A BMC Heartbeat LED is located
at LEM1 on the serverboard. When
LEM1 is blinking, BMC functions
normally. See the table on the right
for more information.
BMC Heartbeat
LED
States
Color/State Definition
Green:
Blinking
BMC: Normal