Interpreting The Network Status Lights - HP Blade Blade Network Manual

Interpreting the Network Status Lights

Network & Internet Communications Guide
Some Ethernet network interface controllers include network status
lights:
■
Link light—illuminates when the system is physically connected
to an active network.
■
Activity light—illuminates when the computer detects network
activity. When the system is connected to a highly used
network, the activity light will remain on almost constantly.
■
Operating Speed light—illuminates during 1000 Mbps or
100 Mbps operation. The color of the light identifies the
operating speed.
Some NICs include only two network status lights where link
(light on) and activity (light blinking) are indicated by one light and
1000-Mbps or 100-Mbps operation is indicated by the second light.
The integrated NIC has two network status lights on the NIC
connector:
■
Link/Activity light—Illuminates green when physically linked to
the network and blinks on and off to indicate network activity.
■
Operating Speed light—Illuminates green when operating at
1000 Mbps, yellow when operating at 100 Mbps, and is not
illuminated when operating at 10 Mbps.
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