Port0 is uplink/PD port (IDC)
Port1-3 are downink/PSE ports (IDC)
Port4 is admin port (RJ45)
* we only have 8 MByte flash
* we use the hardware LEDs for switch ports 1-5
The image boots and is able to establish links on both eth0 and eth1.
However, the LED support is not yet working as expected.