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Forum Discussion
jduzan
May 18, 2026Follower
Some GS308EP switches do not comply with IEEE 802.3 Ethernet specifications
IEEE 802.3 Ethernet specifications require that the switches provide galvanic isolation between all ports and chassis ground. this means that the POE supply is meant to be "floating" not connecte...
- May 20, 2026
Hello all,
First of all, I'd like to thank everyone for their assistance.
My grounding issue is not due to any fault of the netgear switch. A cheap non-poe device plugged into a different port of the switch in my case ties the power pairs to earth ground of the building causing headaches.
I am a little sad that the non-poe powered ports' potential is able to influence POE ports but I have no clue if this particular issue is covered in the 802.3 standards.
jduzan
May 20, 2026Follower
Hello all,
First of all, I'd like to thank everyone for their assistance.
My grounding issue is not due to any fault of the netgear switch. A cheap non-poe device plugged into a different port of the switch in my case ties the power pairs to earth ground of the building causing headaches.
I am a little sad that the non-poe powered ports' potential is able to influence POE ports but I have no clue if this particular issue is covered in the 802.3 standards.
StephenB
May 20, 2026Guru - Experienced User
jduzan wrote:My grounding issue is not due to any fault of the netgear switch. A cheap non-poe device plugged into a different port of the switch in my case ties the power pairs to earth ground of the building causing headaches.
Thanks for following up.
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