Netgear FE104 Installation Guide - Page 25

Troubleshooting, Troubleshooting the Hub and the Network

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Chapter 4 Troubleshooting This chapter provides information about troubleshooting the Model FE104 and Model FE108 hubs. Troubleshooting the Hub and the Network To troubleshoot the hub and the network, refer to Table 4-1. Table 4-1. Troubleshooting Symptom No power at hub Port connection not functioning Activity Check Pwr (power) LED off Link/Rx LED off or intermittent Check the power cord connections and make sure the ends are properly plugged into the hub and the wall outlet. If the Link/Rx LED is not lit on an active port, check the attached device and make sure it is switched on and that there is a proper connection at that end. If the Link/Rx LED is intermittent, check the port termination at both the hub and device ends. Check the crimp on the RJ-45 connectors. In a Fast Ethernet operation, the quality of the crimp on the connector is important. It is also important that only Category 5 cable is used and that it is certified for 100 Mbps operation. Check that the length of the UTP cable from the hub to the device does not exceed 328 feet (100 m). Note: Under normal operation, the Link/Rx LED will blink when data is received on that port. Troubleshooting 4-1

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Troubleshooting
4-1
Chapter 4
Troubleshooting
This chapter provides information about troubleshooting the Model FE104 and Model FE108
hubs.
Troubleshooting the Hub and the Network
To troubleshoot the hub and the network, refer to Table 4-1.
Table 4-1.
Troubleshooting
Symptom
Activity
Check
No power at hub
Pwr (power) LED off
Check the power cord connections and make sure the ends
are properly plugged into the hub and the wall outlet.
Port connection
not functioning
Link/Rx LED off or
intermittent
If the Link/Rx LED is not lit on an active port, check the
attached device and make sure it is switched on and that
there is a proper connection at that end.
If the Link/Rx LED is intermittent, check the port termination
at both the hub and device ends. Check the crimp on the
RJ-45 connectors. In a Fast Ethernet operation, the quality of
the crimp on the connector is important. It is also important
that only Category 5 cable is used and that it is certified for
100 Mbps operation.
Check that the length of the UTP cable from the hub to the
device does not exceed 328 feet (100 m).
Note: Under normal operation, the Link/Rx LED will blink
when data is received on that port.