VOLKTEK NSH-5509 MANAGED 8-PORT 10/100 + 1-PORT 100-FX SWITCH
10 Troubleshooting
The network administrator can observe and monitor most areas of the Switch status
using the LED indicators on the front panel to quickly identify problems. This section
contains a few of the more common problems that may arise and possible solutions.
Symptom: Power indicator does not light up after power on.
Cause: Defective power outlet or power cord.
Solution: Verify if the power outlet is functioning normally by plugging in another
properly operating device. Connect the power cord to another device to
test. If these two tests fail to resolve the problem, replace the power
supply unit.
Symptom: Link indicator does not light up after making a connection.
Cause: Network cable or fiber/copper port is defective.
Solution: Ensure that the attached device and Switch are powered on. Verify that
the fiber and/or copper cable has been properly connected to both
devices. Make sure that the cabling distance does not exceed specified
limits. Inspect cable for defects and replace if necessary.
Symptom: Unit powers off during operation after a period of time.
Cause: Loose power connections, power surges/loss or unavailability of
redundant power.
Solution: Ensure that all power connections are secure and that the unit fans have
proper ventilation. If unable to correct the problem by above measures, it
may be necessary to replace internal power supply unit.
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