You are correct about the 3750E, which are VERY $$$$, from Cisco. Cisco will be releasing another line of switches that fully supports this new PoE standard. I do know that if you get the Cisco 1252 access point with the b/g/n single radio, that a 3650 or 3750 will handle the power. What puts the power over the edge for the 1252 is when you have 2 or more radios in there. I heard this directly from a CCIE. The 1252 has the ability to have an A radio, B/G/N radio, and a N radio. If you have the B/G/N radio then y ou have 300mbps on the N radio. If you add the additional N radio it will bump up the speed to 600mbps.
Justin Dover Harpeth Hall School 615-346-0082 The EDUCAUSE Wireless Issues Constituent Group Listserv <[email protected]> on Friday, November 16, 2007 at 9:25 AM -0600 wrote: >I heard from Cisco 2 days ago that the 3750E and the modules that will >power their 1252 will be availble around the end of Dec/Januarary time >frame. I'm trying to pry out of HP if the 5400's and 3500's will be >firmware upgradable to the 802.3at standard and just not support as many >ports. The 5400 answer is that it will probably be a different module. >I haven't heard on the 3500. > >I haven't heard a ratification date for the 802.3at standard, and I >heard that it was going to happen about the same time or after the >802.11n standard. I haven't followed that one as close, last I saw they >hadn't decided on 33 or 48 watts of power per port. > >-----Original Message----- >From: Frank Bulk - iNAME [mailto:[EMAIL PROTECTED] >Sent: Thursday, November 15, 2007 8:07 PM >To: [email protected] >Subject: Re: [WIRELESS-LAN] 802.11n tied to 802.3at > >Good points, Philippe. For those organizations that want to be bleeding >edge, I don't think PoE concerns are going to hold them back. Every >vendor has a way to address them today in a way that's not a >show-stopper. > >Has anyone heard from Cisco, Extreme, Foundry, HP, etc. on when 802.3at >switches/blades will be available? > >Which 802.11n AP supports Etherchannel? It's my understanding that any >vendor who has a second Ethernet port on their AP is using it >exclusively for PoE (Trapeze's AP may be the exception). > >Frank > >-----Original Message----- >From: Philippe Hanset [mailto:[EMAIL PROTECTED] >Sent: Thursday, November 15, 2007 11:35 AM >To: [email protected] >Subject: [WIRELESS-LAN] 802.11n tied to 802.3at > >Following the trail of discussion about 802.11n, I wouldn't be buying >802.11n before 802.3at (AKA Power over Ethernet PLUS) gears are on the >market. By then, 802.11n vendors should have only one Ethernet port to >the AP. >One port will bring savings on PoE injectors, Cabling, and even >switchports (if you were planning to etherchannel those two 100 Mbps >ports to one AP). >After all, a 48 ports 10/100/1000 switch is only 50% more expensive than >a 10/100 (in the Cisco world), one more reason to only have one cable >from the switch to the AP! > >Last thing: According to a few websites, 802.3at will work over regular >cat5. > >Best, > >Philippe Hanset >University of Tennessee > >********** >Participation and subscription information for this EDUCAUSE Constituent >Group discussion list can be found at http://www.educause.edu/groups/. > >********** >Participation and subscription information for this EDUCAUSE Constituent >Group discussion list can be found at http://www.educause.edu/groups/. > >********** >Participation and subscription information for this EDUCAUSE Constituent Group >discussion list can be found at http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
