Hello,
I get alot of networking equipment and scrap it, Dell, HP, Cisco, ect. I'm new and my question is what network boards qualify as high grade telecom if cleaned. I saw on the video of the cisco network board example but that leaves some grey areas for me on what do with the remaining boards.

For example if i clean this modern Dell Np240P Network board attached will this qualify as i high grade telecom? If not why not?

Thanks!

The term Telco is a bit misleading. It comes from early IC switching boards. To qualify as a high choco board, it has to be nearly completely covered in IC chips.
Check out this photo.
https://boardsort.com/images/codes/1014.jpg

What you have posted is currently a peripheral high grade board. The best you could hope for in extensive cleaning would be possibly low telco. In for many the time it would take isn’t worth the upgrade.

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