Netgear FS728TS - ProSAFE 24 Port 10/100 Stackable Smart Switch with 4 Gigabit Ports ハードウェアマニュアル
A-1
v1.0, September 2007
Appendix A
Troubleshooting
This chapter provides information about troubleshooting the NETGEAR Smart Switch. The topics
include the following:
include the following:
•
•
Troubleshooting Chart
The following table lists symptoms, causes, and solutions of possible problems.
Table A-1. Troubleshooting Chart
Symptom
Cause
Solution
Power LED is off.
No power is received.
Check the power cord connections for the switch at
the switch and the connected device. Ensure all
cables are used correctly and comply with the
Ethernet specifications.
the switch and the connected device. Ensure all
cables are used correctly and comply with the
Ethernet specifications.
Link LED is off or
intermittent.
intermittent.
Port connection is not
working.
working.
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.
Ensure all cables are used correctly and comply with
the Ethernet specifications. Check for a defective
adapter card, cable, or port by testing them in an
alternate environment where all products are
functioning.
that the plug is properly inserted and locked into the
port at both the switch and the connecting device.
Ensure all cables are used correctly and comply with
the Ethernet specifications. Check for a defective
adapter card, cable, or port by testing them in an
alternate environment where all products are
functioning.
File transfer is slow or
performance degradation
is a problem.
performance degradation
is a problem.
Half- or full-duplex setting
on the switch and the
connected device are not
the same.
on the switch and the
connected device are not
the same.
Make sure the attached device is set to auto-
negotiate.
negotiate.