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Chapter 4: Troubleshooting
4-4 6H122-08 User’s Guide
Table 4-2 Port 1-6 10/100 LED Indications
4.2 FE-100TX LED
The optional FE-100TX for the 6H122-08 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 4-3 provides a functional description of the
FE-100TX LED when the RX LED is on or off, respectively.
TX
Off
Port enabled, and no
activity.
No action.
Green
Flashing. Indicates
activity. Rate indicates
data rate.
No action.
Amber
Blinking. Port in
standby, link.
Port may be disabled due to
Spanning Tree. Check network
design and eliminate any
unnecessary loops.
Red
Flashing. Indicates
collision rate.
No action.
Solid. Diagnostic
Failure.
Contact Cabletron Systems
Global Call Center for
assistance.
LED Color Description
10/100
Off
No Link or no cable attached. There is a
link and the port is operating at 10 Mbps
operation.
Green Link. Port is operating at 100 Mbps.
Table 4-1 LANVIEW LEDs (Continued)
LED Color State Recommended Action