Problems with TL-SG2210P and RJ45-UL
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We have here a TL-SG2210P V1
It was working fine for quite a while as desktopswitch on a SFP-Fiber-uplink.
Now we had to switch to RJ45 due to Maintenance of the fiber and the switch just stopped working totally.
The Power-LED of the PSU is just slightly flashing. If we unplug the RJ45 from the UL-Switch the TL-SG2210P boots up fine.
POE is disable both on the UL-Switch and the TL-SG2210P. We also tried to leave the PSU of the TL-SG2210P away and power it with the UL-switch as POE-PD unfortunately this switch is booting but the connected POE-PD's are not supplied.
Is the switch somehow damaged?
Are we thinking/doing somehow wrong?
Is there any way to use the TL-SG2210P with uplink by RJ45 cat 6 from another switch?
I made a Video to assist the description.
The Video starts right after powering the tl-sg2210p with it's PSU.
You see how it boots up and shows link to the connected client (Port 2)
On 0:19 i connect the uplink connected to Port 1 of the tl-sg2210p to another switch.
The switch turns off immediately.
It's hard to see on the video but the PSU-LED turns from solid green to sightly green flashing.
Is there any idea how to fix that failure?
