one to one replacement worked for most of our cases (going from Proxim AP-2000 b/g to Aruba AP-125).
Weak coverage became better, and very weak coverage became weak!
We had to replace all power injectors. Our old POE (from 2001) didn't support 802.3af. We took advantage of the change to use pre-802.3at POE to be able to support full MIMO (3X3).
Whatever vendor you pick, check the power requirements.

One bad experience: The integrator used the old brackets to attach the new APs, with zip ties!
(We made them go back...)

Philippe Hanset
Univ. of TN



On Dec 3, 2009, at 3:03 PM, Entwistle, Bruce wrote:

We are currently looking at upgrading our current Cisco 1200 autonomous APs, with WLSE management to a new wireless N network. The new vendor has yet to be determined. I was looking to learn from others who have made a similar migration how the move to N changed AP deployment? Was it a simple one for one replacement where you were able to install the new APs in the same location as the previous APs, eliminating the need for additional cabling? Was a new wireless survey conducted, requiring different AP locations? Please let me know what your experience has been.

Thank you
Bruce Entwistle
Network Manager
University of Redlands

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