How to access Nortel Baystack 425-24t switch through the Java device MAnager?

[nelsondmf]

I purchased a Nortel switch recently, the Baystack 425-24t model, I'm trying to access it using the Avaya Java device manager (image example below) and it gives this image error, what should I do? baystack is already configured with an ip. I'm apprehending maxer in it yet.

[Telair]

As I recall the last version that supported all their switch line was v6.2.1.4 .  After that point they were just for specific equipment.  So try downloading v6.2.1.4 and see if ti works.