I have found a device that is nearer, it is a port manual switch that can be commanded via RS232 besides manual buttons. Not really affordable, 290 US$: https

I have found a device that is nearer, it is a port manual switch that can be commanded via RS232 besides manual buttons. Not really affordable, 290 US$: https://www.vpi.us/network-devices/gigabit-ethernet-switch-1044 https://www.vpi.us/network-devices/gigabit-ethernet-switch-1...