Cabletron Systems 2E43-51 User Manual

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Chapter 4: Troubleshooting
4-4
2E43-51/2E43-51R User’s Guide
4.2
FE-100TX LED
The optional FE-100TX has one LED labeled 10/100. The 10/100 LED 
together with the RX 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. 
Tables 4-2 and 4-3 provide a functional description of the 10/100 LED 
when the RX LED is on or off, respectively.
Figure 4-2
FE-100TX LED
NOTE
A link exists if the associated port (5 or 6) RX 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.
2251-41
Receive
(RX) LED
2
2
5
6
10
100 LED
FE-100TX
10
100
x
=