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Occasional Contributor II

WLAN as a green tech

Hi All,

We're in the process of building a new green building on our campus. LEED platinum certification is a goal. I've been asked to provide an estimate for 220 cat 5 runs in addition to wireless throughout the building. I'm planning to argue that number down to 50 (servers, specialized workstations, etc) and replace the remaining 170 connections with an all-wireless edge.

I've done the calculations on savings in terms of power/heat load (1 24-port PoE switch vs 4 48-port switches) and material waste (15,000 feet of cable, station jacks, etc). We save approx. 250 pounds of copper, 1,000 square feet of fire-retardant PVC jacketing, 200W of power and 600 BTU/hr of heat load, along with 4 extra switches that would end up in a landfill eventually. While these numbers are relatively small in building construction terms, every little bit helps IMO.

I'm curious as to:

1. Whether anyone on the forum has taken a similar path. Obviously there's a cost benefit to the wireless edge, but what about the green aspects? Anything I've overlooked?
2. Aruba guys - any whitepapers or similar to back this up? Are US AP-125's ROHS compliant?

If we can demonstrate a significant efficiency increase, we may be able to submit this for a LEED Innovation in Design credit. That would set a precedent for others wishing to take the same path.
Aruba Employee

Re: WLAN as a green tech

A couple of things.

1) Yes, many customers have taken this approach. We call it "right-sizing." Here are a couple of whitepapers on the subject:
http://www.arubanetworks.com/pdf/technology/whitepapers/wp_Rightsizing.pdf
http://www.arubanetworks.com/pdf/technology/whitepapers/wp_Burton_End_of_Ethernet.pdf

As well, there are a couple of case studies for customers who have done this:
http://www.arubanetworks.com/pdf/solutions/CS_KPMG.pdf
http://www.arubanetworks.com/pdf/solutions/CS_Gartner_CSU.pdf
http://www.arubanetworks.com/pdf/solutions/CS_BRANDEIS.pdf
http://www.arubanetworks.com/pdf/solutions/CS_CSU.pdf

2) Yes, the AP is RoHS approved. (Little logo printed on every one of them.)
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