Why Am I Receiving 'Poor Cable Quality' Notifications?

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Zyxel_Lucious
Zyxel_Lucious Posts: 306 image  Zyxel Employee
Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 1 - Nebula 25 Answers
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'Poor Cable Quality' notifications in your Nebula Control Center indicate that your connected Ethernet cables may have issues affecting the network performance. This notification is triggered when the device detects signal degradation or potential faults in the cable.

How to identify the issue:

  1. Inspect your Ethernet cables to check for any visible damage, such as broken or bent connectors, cuts, or wear on the cable.
  2. Ensure that the cables are securely connected to the ports of both the device and the connected equipment.
  3. Replace the suspected cables with a certified Cat-5e or Cat-6 Ethernet cable to avoid performance issues.

Further steps:

If the issue persists even after replacing the cables, you may run a cable test through the Nebula Control Center. Navigate to the switch's configuration page and conduct a port diagnostic test to analyze cable health.

For additional help, please reach out to Zyxel support via email or through the Nebula GUI.

We are here to help ensure your network runs smoothly!

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