can be plugged in the ISP connector for programming the processor
can operate as an independent Ethernet module
Two additional jumpers were placed on test board. They can immediately address e.g. IRQ of the card to the CPU Atmega16/32/644 INT2 input and the SS pin of the processor to the CS input in the ENC chip.
Yellow diode flashes after plugging to the switch:
The picture shows how to plug the device to the start-up kit:
How to connect the programmer e.g. USBASP:
Schema:
A library module for Eagle created to fit the network card on the plate.