[Tiziano Bacocco] wanted to manage his cheap unmanaged switch, so he did what any good hacker would do: he opened it up. Inside the Digicom 10/100 switch ... serial port. Since the datasheet ...

OT Systems ET4111Pp-S-DR is an industrial unmanaged 4-port 10/100Base-TX (PoE+) and 1-port 100Base-FX SFP ethernet switch. It supports IEEE802.3at PoE+ (30W per port) and external 100Base SFP. It also ...

On top of that, they're relatively inexpensive too. You can get a five-port unmanaged switch for as little as $20 and even ...