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Chapter 4: Motherboard Connections
LAN LEDs
Four LAN ports (LAN1 - LAN4) are located on the I/O back 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.
SFP LAN LEDs
Two 25G/10G LAN ports (LAN5/LAN6) that support SFP28 are located on the rear I/O panel.
Refer to the tables below for more information.
1G RJ45 LAN Link
LED Color
Definition
Off
No Connection or 10 Mb/s
Green
100 Mb/s
Amber
1 Gb/s
Activity Indicator
Color
Status
Definition
Off
No Connection
Yellow
Flashing
Active
Activity LED
Link LED
25G/10G SFP28 LAN Link LED
LED Color
Definition
Green
25Gbps
Yellow
10Gbps
Activity Indicator
Color
Status
Definition
Off
No Connection
Yellow
Flashing
Active
Activity LED
Link LED