Hi @Paoiiiiiiiii27, Full instructions are linked below, but I think this is the part you need... Power on the switch and keep clicking the keyboard to stop autoboot, then you will enter the BootUtil...

Hi @k1mu, Am I understanding your topology correctly... it sounds like you're physically placing the OC400 between your router and switches? Technically, I think the OC400 would function like an...

Sorry @rhimbo, I did laugh when you said you got the switch in 2018; safe to assume that returning it is not an option. I don't think a managed switch would have ever worked out of the box, so I...

Hi @MG67RF, A device that "supports" PoE is able to get it's power via the network cable itself. The C520ws has a seperate barrel connector that must be connected to a power supply. Generally, you...

Hi @rhimbo, I actually had to see for myself that this model is being sold as new because it looks like it's End Of Life. You may want to consider returning it. That said, are you able to ping the...

Hi @Sriracha02, Airplay uses several ports (TCP too) plus the ephemeral range. Based on your problem, you might be missing them; UDP/TCP ports 49152-65535 are used for the media transfer and screen...