Table of Contents
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Troubleshooting Chart
The following table lists symptoms, causes, and solutions of possible problems.
Table 4-1. Troubleshooting
Problem
Power LED is off.
Link LED is off or
intermittent.
File transfer is slow or
performance degradation
is a problem.
Troubleshooting
Cause
No power is received
Port connection is not
working.
Half- or full-duplex setting
on the switch and the
connected device are not
the same.
v1.0, May 2007
Chapter 4
Troubleshooting
Solution
Check the power cord connection
for the switch at the switch and at
the connecting device.
Make sure all cables used are
correct and comply with Ethernet
specifications.
Check the crimp on the connectors
and make sure that the plug is
properly inserted and locked into
the port at both the switch and the
connecting device.
Make sure that all cables used are
correct and comply with Ethernet
specifications. See Appendix A,
"Technical Specifications".
Check for a defective adapter
card, cable, or port by testing it in
an alternate environment where all
products are functioning.
Make sure that the attached
device is set to auto-negotiate.
Check the system message log.
4-1
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Table of Contents
Troubleshooting
