Poor physical connection
1.
Verify that the product is attached to the correct network port using a cable of the correct length.
2.
Verify that cable connections are secure.
ENWW
Solve product connectivity problems
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3.
Look at the network port connection on the back of the product, and verify that the amber activity
light and the green link-status light are lit.
4.
If the problem continues, try a different cable or port on the hub.