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Old 05-29-2013, 11:00 AM
baile58 baile58 is offline
Join Date: May 2013
Posts: 3
baile58 has 10 reputation points
Default Nortel 5520 Stack question

Currently I have a stack of 5 Nortel branded 5520-48T-PWR switches. I am looking to add an additional switch, but the newer 5520 series are all branded Avaya.

Part Number Nortel: AL1001A05-E5
Part Number Avaya: AL1001E05-E5

Couple of questions...

1. Will the new Avaya switches stack with the older Nortel switches.
2. Our stack is currently running version 5.1.1 - I assume the new Avaya switch will come with version 6.x. Is it possible to downgrade to version 5.1.1 or is it not even possible to run version 5.1.1 on the Avaya hardware?
3. If 1 & 2 are possible, is there any supporting documentation?

Thanks for you help in advance.

Edit: Added Part Numbers
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