è If the customer original uses classification mode, please try to use
consumption mode. But it is possible some PD will be shut down when the
c. PoE Short-Circuit Event: The connected PD may be faulty. It could also mean
that the PD is using an older standard and not 802.3af/at. You can try changing
the “Power-Up” option to “Legacy” or “Pre-802.3at” in the PoE Setup page.
Cross test
Creating a table to list down which ports were able to power-on PD during the cross
test:
*During the cross test, Switch will only be connected to one PD at a time, and use
the Consumption mode. Please test multi-port of the test switch to double confirm
the test result.
Switch Model X (1): The reported switch with issue.
Switch Model X (2): A different switch but the same model as the reported switch.
(Make sure it works well if possible.)
Switch Model Y: A different switch but of a different model (the newer series if
possible).
PD Model X (1): The reported PD that has issue.
PD Model X (2): A different PD but same model as the reported PD.
PD Model Y: A different PD but of a different model (Zyxel PD model if possible).
The test results’ meaning:
a. The reported PD has the hardware issue.
No ports among all switch could power-on PD Model X (1), while PD Model X (2)
shows a different result.
b. The reported switch has the hardware issue
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