Intel Ethernet X520 10GbE Dual Port KX4 Mezz User Manual page 118

The Intel® Gigabit 2P I350-t Adapter and Intel® Gigabit 4P I350-t Adapter and have the following indicator lights:
Dual Port
The Intel® Gigabit 4P I350-t rNDC has the following indicator lights:
Label
LNK (green/yel-
low)
ACT (green)
Quad Port
Label Indication
LNK (green/yellow) Green on
Yellow on
Off
ACT (green) Green flashing
Off
Indication Meaning
Green on Operating at maximum port
speed.
Yellow on Operating at lower port
speed.
Off No link.
Green Data activity.
flashing
Off No activity.
Meaning
Operating at maximum port speed.
Operating at lower port speed.
No link.
Data activity.
No activity.