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Forum Discussion
PoE issue with low power device (DOREMiDi MR-1 PoE) on Netgear M4250 switch
Hello, I am experiencing an issue with PoE when using a Netgear M4250-9G1F-PoE+ switch together with a low power PoE device. Setup: Switch: Netgear M4250-9G1F-PoE+ Device: DOREMiDi MR-1 Po...
Because the device draws so little power, the switch detects insufficient power consumption and automatically disables PoE on that port.
Ist this an assumption or backed from insight information available in the logs?
A IEEE standards compliant does start to provide power based on the pulsing or on LLDP packet sent from the powered device (PD) to the power source device (PSE).
The PoE controller should not terminate the power delivery on my opinion. even if the effective consumption is below 2.5W in my understanding.
A device requesting class 0 or class 1 is supposed to be able driving a PD consuming 0.44W-12.95W, with at least 15.4W at the PSE to overcome cable losses.
Unclear to me where the 2.5W data is coming from - have found this in a data sheet or a user manual?
https://kb.netgear.com/12902/Power-over-Ethernet-PoE-standards-and-compatibility
Something to push to Netgear Support, or to the Netgear AV team with @ lautentma
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