Troubleshooting; Table 5-1. Troubleshooting Information - NETGEAR FS518T FS518T FS518T Installation Manual

FS518T.Manual.FINAL 5/19/00
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
Power LED is off.
Either 10M, 100M,
or 1000M Link LED
is off or intermittent.
One or more
components are
malfunctioning.
A segment or device
is not recognized as
part of the network.
12:55 PM Page 31
Cause Solution
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.
Port connection is Check the crimp on the RJ-45 connectors, and make
not functioning. sure that the plug is properly inserted and locked into
the port at both the switch and the connecting device.
Make sure all cables used are correct and comply
with Ethernet specifications.
Not all system Test the components in an alternate environment
components are where all other components are functioning properly.
properly installed.
One or more devices Verify that the cabling is correct (refer to
are not properly Appendix C, "Cabling Guidelines").
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