Hi,
could be that the ethernet switch starts to give in - sometimes a bunch of
ports is handled by a single internal chip which may, when having problems,
disable a bunch of ports in one go… You could try to get another
switch instead.
Best regards
Bert
> Am 05.03.2026 um 21:30 schrieb zhuang via groups.io:
>
> Hi Mike,
> Thank you for your suggestions. I swapped PDU3 to another PDU port, and it
> was able to communicate. We eventually found that PDU3 should be plugged
> into port 14 instead of port 2. However, I'm not sure why it was still working
> previously when it was connected to port 2.
> Best,
> Jianqin
>
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Received on Fri Mar 06 2026 - 07:44:59 MST