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Forum Discussion
CorentinF
Jan 12, 2026Aspirant
PoE doesn't start_GS308EP
We use the GS308EP to manage 2 differents VLAN in our custom system. the port 1 is used to power on a RFID reader (FEIG MR102), the others ports are for classic ethernet commnication. We configu...
CorentinF
Jan 15, 2026Aspirant
Hello everyone,
You can find at the following link (https://fromsmash.com/PrincipeSchematic) the simplified schematic of our system center on the powering of the reader in PoE.
Hope it could trigger an idea to pin out from someone.
at date, the link expire 22th january.
Thank you
StephenB
Jan 15, 2026Guru - Experienced User
The only ideas I have are to
- replace the switch
- buy a different power adapter for the switch
- buy a power conditioner
- try powering the RFID reader with a PoE power injector at the switch (disabling PoE on the switch port), connecting the power injector directly to the UPS.
Since this happens when the switch is directly connected to mains power, I don't think the other components on the circuit are causing the problem.
None of these ideas are guaranteed to fix anything, since we really don't know the cause.
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