Compaq NC3120 User's Guide download pdf (Page 10)

1-2 Compaq NC3120 Fast Ethernet Server Adapter User Guide

LED Indicators

The following table describes the NC3120 Sever Adapter LED indicators.

Table 1-1

LED Operations for the NC3120 Server Adapter

LED Display Description

On Link to the adapter is established. The adapter is receiving power and the cable

connection is secure.

LNK

Off There is no link to the adapter. The adapter is not receiving power or the cable

connection is faulty.

On or

flashing

The adapter is sending or receiving network data. The frequency of the flashes

varies with the amount of network traffic. The adapter is receiving power and

the cable connection is secure.

ACT

Off No network data is being sent or received. The adapter is not receiving power or

the cable connection is faulty.

On The adapter is sending or receiving data at 100 Mb/s. 100 Mb/s

Off The adapter is sending or receiving data at 10 Mb/s.

UTP Category 3 or Category 5 Cable

The NC3120 Server Adapter can use existing Category 3 (or better) cable to deliver 10 Mb/s

operation, and Category 5 (or better) cable to deliver 100 Mb/s operation.

For information about connecting cables, see “Connecting the Network Cable” in Chapter 2.

IMPORTANT: If you are using the NC3120 Server Adapter in a residential environment, you must use a

Category 5 (or better) cable. For more information on 100Base-TX wiring requirements and limitations,

see the text files on the Compaq Software and Documentation CD.

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Compaq NC3120 User's Guide Page 10