Vintage 8-bit ISA Card – what am I!?

Can anyone identify what this card is!?

It is an 8bit ISA card which I think is an ethernet adapter as it is using the DP8390 chip. But it has a 14-pin micro-D receptacle connector.

Is this some unheard of ethernet standard or is it a proprietary system that has borrowed 802.3 standards?

I think it came from an old Groupe Bull PC.