6. Trouble-shooting
1. Power LED is not lit
Check if the power adapter is properly connected to the power outlet.
Make sure the DC power jack is firmly plugged into the power socket of the
hub.
2. Link Status LED is not lit
Check the power switch of the network devices attached to the hub;
make sure they are turned ON. Check the network cables; make
sure they are properly connected to the hu b and the network devices.
Check the network cables; make sure the cables comply with
EIA/ TIA 568 specification. Use straight-through Category 3, 4 or 5 cables
for connection.
3. The first port’s Link Status LED is not lit when it is uplinked to
another hub
Make sure the cable is connected to the uplink port.
Check the network cable; make sure it is properly connected to
both h ubs . One en d of the cable should be connected to the uplink port
while the other end of the cable should connect to a regular port. Do not
connect the cable to both uplink ports.
Check the network cable; make sure the cable complies with
EIA/TIA 568 specification.
4. Collision LED flashes constantly
Remove all the network cables; connect the cables back one by one
to isolate the source of the collision.
Check the network cable, inferior cable quality will result in
excessive collision and error packets.
[!] Contact your dealer if problem persist.