I'm looking at installing a new core network for two small server rooms and using Powerconnect 7048's in a stack in each room. I'm not sure how best to connect them though. The two server rooms are about 40m apart and I am assuming fiber would be preferential over copper at that distance and it would be less susceptible to interference. I'm thinking I can put the optional 10gb Modules with SFP+ ports in the 7048's but I'm not sure which transceivers or fibre cable I should use for a 10gb connection?, any idea's or recommendation please? Or if I should be doing something else.
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