Net 2 video

Hi all I have an ion 1024 with sub wing . I have a net 3 node. I have been offered a net 2 video interface. I am wondering if this is suitable for running with the net3 port. The big sticker on the 4 port node saying "net 3 only!" Is kinda making me think this might not be possible. Am I barking up the wrong tree? Can you upgrade the firmware/hardware in the net 2 video unit or am I looking at an almighty door stop.....??? Many thanks Eamon
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