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Interpreting LED messages

GbE NIC LEDs

Location of the LEDs for single port GbE NICs  Top

The following illustration shows the location of LEDs for both the copper and fiber single port GbE NICs.

Location of LEDS on dual-port GbE NICs  Top

The following illustration shows the location of LEDs for both the copper and fiber dual-port GbE NICs.

What the copper GbE NIC LEDs mean  Top

The following table explains what the LEDs on the copper GbE NIC mean.

LED type

Status indicator

Description

ACT/LNK

Green

A valid network connection is established.

Blinking green

Data is being transmitted across the network.

Off

There is no network connection present.

10=OFF

100=GRN

1000=YLW

Off

Data transmits at 10 Mbps.

Green

Data transmits at 100 Mbps

Yellow

Data transmits at 1000 Mbps

What the fiber GbE NIC LEDs mean  Top

The following table explains what the LEDs on the fiber GbE NIC mean.

LED type

Status indicator

Description

LNK

On

A valid network connection is established.

Off

There is no network connection present.

ACT

On

Data is being transmitted across the network.

Off

There is no network activity present.

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