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Chapter 4: Motherboard Connections
4.5 LED Indicators
10G LAN1/LAN2 LEDs
Two RJ45 Ethernet 10G LAN ports (LAN 1 and LAN 2) are located on the rear I/O panel of
the motherboard. Each Ethernet LAN port has two LEDs. The green LED indicates activity,
while the other Link LED may be green, amber, or off to indicate the speed of the connection.
Refer to the tables below for more information.
10G LAN1/2 Activity LED (Right)
LED State
Color
Status
Definition
Green
Flashing
Active
LAN1/2 Link LED (Left)
LED State
LED Color
Definition
Green
10Gbps
BMC LAN LEDs
In addition to LAN1 and LAN2, an BMC LAN is also located on the rear I/O panel. The amber
LED on the right indicates activity, while the green LED on the left indicates the speed of the
connection. Refer to the table below for more information.
BMC LAN
Activity LED
Link LED
LAN 1/LAN 2
IPMI LAN
(X8ST3-F)
BMC LAN LEDs
Color/State
Definition
Link (left)
Green: Solid
Amber: Solid
100 Mbps
1 Gbps
Activity (Right)
Amber: Blinking
Active
10G LAN3/4 LEDs
Two 10G LAN ports (LAN3/LAN4) that support SFP28 are also located on the rear I/O panel.
The activity LED for LAN3 is located on LEDT2, while the activity LED for LAN4 is on LEDT1.
Refer to the tables below for more information.
10G LAN3/4 Activity LEDs
LED State
Color
Status
Definition
Green
Flashing
Active
10G LAN3/4 Activity LED Indicators
LED State
LED#
LAN#
LEDT1
LAN4
LEDT2
LAN3