Chapter 4: Troubleshooting
4.2FE-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. Table 4-2and Table 4-3provide a functional description of the 10/100 LED when the RX LED is on or off, respectively.
Figure 4-2 FE-100TX LED
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. |
| | | |
| Table 4-3 10/100 LED Indications When RX LED Is Off |
| | | |
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. |
| | | |
| | Green | No link or no cable attached. FE-100TX is |
| | | forced to 100 Mbps operation. |
| | | |
4-4 | 2H28-08R SmartSwitch 2208 User’s Guide |
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