5. LED Indicators

Each Fast Ethernet adapter has three LEDs, as shown in Figure 1-2.

5.1 Interpretations

The interpretations of the LEDs are:

100Mb LED indicates an active 100Mbps connection is established.

On : Good connection between adapter and 100BASE-TX device

Off : No active connection

Blink: Not applicable

10Mb LED indicates an active 10 Mbps connection is established.

On : Good connection between adapter and 10BASE-T device

Off : No active connection

Blink : Not applicable

Activity LED indicates packets are being received or transmitted.

Blink : Network traffic is present

On : Not applicable

Off : No traffic for either speed

If you experience any problems, first make sure that the appropri- ate driver is loaded, the proper cable is connected to the connector, and the connected device complies with the adapter specifications (10 Mbps 10BASE-T or 100 Mbps 100BASE-TX). Then recheck the LED.

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KTI Networks 221TX/3 manual LED Indicators, Interpretations