Cabletron Systems 2H28-08R Manual Do Utilizador
Chapter 4: Troubleshooting
4-4
2H28-08R SmartSwitch 2208 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
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
provide a functional description of the 10/100 LED when the
RX LED is on or off, respectively.
Figure 4-2
FE-100TX LED
Table 4-3
10/100 LED Indications When RX LED Is Off
NOTE
A link exists if the associated port (7 or 8) RX LED is on.
No link exists if the associated port (7 or 8) RX LED is off.
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.
LED
Color
Indication
10/100
Off
No link or no cable attached. FE-100TX
forced to 10 Mbps operation, or is
manually set to “auto-negotiate” mode.
forced to 10 Mbps operation, or is
manually set to “auto-negotiate” mode.
Green
No link or no cable attached. FE-100TX is
forced to 100 Mbps operation.
forced to 100 Mbps operation.
2251-41
Receive
(RX) LED
(RX) LED
2
2
FE-100TX
10
100
x
=
7
8
10
100 LED