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TROUBLE SHOOTING
Symptom
Power LED is off.
Link LED is off or
intermittent.
A segment or device
is not recognized
as part of the
network.
Network Adapter Cards
Make sure the network adapter cards installed in the PCs are in working condition and the
software driver has been installed.
Configuration
If problems occur after altering the network configuration, restore the original connections and
determine the problem by implementing the new changes, one procedure at a time. Make sure
that cable distances, repeater limits, and other physical aspects of the installation do not exceed
the Ethernet limitations.
www.netcomm.com.au
Page 12
Cause
Power not received at Switch Check the power cord connections for
Port connection is not
functioning.
One or more devices are
not properly connected or
cabling does not meet
Ethernet guidelines.
Solution
the switch and 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.
Check the crimp on the RJ-45 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 all cables used are correct
and comply with Ethernet specifications.
Verify that the cabling is correct (refer to
Cabling Guidelines"). Be sure all
cable connectors are securely
positioned in the required ports. Straight-
through cables should be
used for all standard twisted pair
connections.
Make sure all devices are connected to
the network. Equipment may have been
accidentally disconnected.
16-port 10/100Mbps Fast Ethernet ProSwitch
Rev.1 - YML623
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