Chapter 4: Troubleshooting

4.2FE-100TX LED

The optional FE-100TX has one LED labeled 10/100. The 10/100 LED together with the receive LED allows the user to determine the link status and the operating speed of the Fast Ethernet Interface Module. The 10/100 LED and the Receive (RX) LED are shown in Figure 4-2.

Table 4-2and Table 4-3provide a functional description of the 10/100 LED when the RX LED is on or off, respectively.

10

100 LED

HSIM 1

Receive (RX) LED

x

=

 

10

 

100

FE-100TX

21

22

1960-41

Figure 4-2 FE-100TX LED

NOTE

A link exists if the associated port (1 or 2) RX (Receive) LED is on.

Table 4-2 10/100 LED Indications When RX LED Is On

LED

Color

Indication

 

 

 

 

 

 

10/100

Off

FE-100TX is operating at 10 Mbps.

 

 

Green

FE-100TX is operating at 100 Mbps.

 

 

 

 

4-4

2M46-04R/2M46-04RDC User’s Guide

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Cabletron Systems pmn manual FE-100TX LED, Receive RX LED