@D-C That was it..... Thank you!

@D-C Thank you for replying. Looking at the module specs, it does advertise being able to handle from 10G to 1000Mbps. It could be that my devices (RPi 5/Orange Pi 5) are just limit, although they...

Hi, I just bought a SG3210XHP-M2 3.0 and 2 SM5310-T to go with it. The logs show they are recognised but they do not work. I connected a device to port 10 and .nothing, no light, link showed down....