Chapter 5: troubleshooting – NETGEAR FS518T User Manual
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CHAPTER 5: TROUBLESHOOTING
This chapter provides information about troubleshooting the Model FS518T
Fast Ethernet Switch. Table 5-1 lists symptoms, causes, and solutions of
possible problems.
Table 5-1. Troubleshooting Information
Symptom
Cause
Solution
Power LED is off.
No power is received
Check the power cord connections for the switch and
at the hub.
the connected device.
Check for a defective adapter card, cable, or port by
testing them in an alternate environment where all
products are functioning.
Make sure all cables used are correct and comply
with Ethernet specifications.
Either 10M, 100M,
Port connection is
Check the crimp on the RJ-45 connectors, and make
or 1000M Link LED
not functioning.
sure that the plug is properly inserted and locked into
is off or intermittent.
the port at both the switch and the connecting device.
Make sure all cables used are correct and comply
with Ethernet specifications.
One or more
Not all system
Test the components in an alternate environment
components are
components are
where all other components are functioning properly.
malfunctioning.
properly installed.
A segment or device
One or more devices
Verify that the cabling is correct (refer to
is not recognized as
are not properly
Appendix C, “Cabling Guidelines”).
part of the network.
connected or cabling
Be sure all cable connectors are securely positioned
does not meet
in the required ports. Straight-through cables should
Ethernet guidelines.
be used for all standard twisted pair connections.
Make sure all devices are connected to the network.
Equipment may have been accidentally disconnected.
troubleshooting 5-1
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