ZyXEL ONU-6040B-21 User Guide - Page 13

Troubleshooting

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Troubleshooting 1. The PWR light is not on when I connect power to the ONU-6040BF-2x. • Check that the power source is turned on. • You might be using the wrong power adaptor. Use the included power adaptor only. • If you are using the correct power adaptor, disconnect and re-connect the power adaptor to turn on the ONU-6040BF-2x again. • If the PWR light is still not on, use a different power outlet. • If the problem continues, contact your local vendor. 2. The PON light is off. • Check the connector on the optical cable and the PON port. Make sure they are clean and dust-free. Use an air duster to clean the connectors. Do NOT use a wet cloth to clean the connectors. • Check the optical cable. Make sure it is not broken. If the cable is broken, contact your service provider to have the cable/connector replaced. Do 13

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13
Troubleshooting
1.
The
PWR
light is not on when I connect power to the
ONU-6040BF-2x.
•
Check that the power source is turned on.
•
You might be using the wrong power adaptor. Use
the included power adaptor only.
•
If you are using the correct power adaptor,
disconnect and re-connect the power adaptor to
turn on the ONU-6040BF-2x again.
•
If the
PWR
light is still not on, use a different
power outlet.
•
If the problem continues, contact your local
vendor.
2.
The
PON
light is off.
•
Check the connector on the optical cable and the
PON
port. Make sure they are clean and dust-free.
Use an air duster to clean the connectors. Do
NOT use a wet cloth to clean the connectors.
•
Check the optical cable. Make sure it is not
broken. If the cable is broken, contact your service
provider to have the cable/connector replaced. Do