Except airMAX goes a step further by using some hardware function that is only available in the 11n chipsets. The TDMA is a mix of software and hardware.
/Eje Sent via BlackBerry from T-Mobile -----Original Message----- From: Josh Luthman <j...@imaginenetworksllc.com> Date: Wed, 26 Aug 2009 12:33:59 To: WISPA General List<wireless@wispa.org> Subject: Re: [WISPA] New UBNT M line, 802.11n without TDMA? Airmax to Ubnt is Nstreme to Mikrotik from what I gather. To those who know Mikrotik that one sentence covers it all. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 "When you have eliminated the impossible, that which remains, however improbable, must be the truth." --- Sir Arthur Conan Doyle On Wed, Aug 26, 2009 at 12:30 PM, Michael Baird <m...@tc3net.com> wrote: > When you enable airmax on the AP, only airmax capable stations will see > it and can connect to it. > Airmax capable clients will be able to connect to non-airmax enabled > AP's, they recognize airmax/non-airmax alike. > You can not mix and match, you can't run legacy gear to a Airmax enabled > AP, won't work. > Which isn't a good thing, but it's Ubiquities statement on the subject, > they say their older hardware can't handle airmax/tdma. > > Regards > Michael Baird > > But you cannot mix and match.... correct? > > ryan > > > > On Wed, Aug 26, 2009 at 9:25 AM, Michael Baird <m...@tc3net.com> wrote: > > > > > >> Airmax is enabled when a Ubiquity product is in AP mode, it's a tick > >> box. Airmax capable clients will autodetect whether the AP is airmax > >> enabled or not. > >> > >> Regards > >> Michael Baird > >> > >>> Correct. > >>> ryan > >>> > >>> On Wed, Aug 26, 2009 at 9:22 AM, Michael Baird <m...@tc3net.com> > wrote: > >>> > >>> > >>> > >>>> Ryan, > >>>> > >>>> That's not correct. Your second example will not accept a 802.11G/N > >>>> client. When airmax is enabled, no normal 802.11 client will even see > >>>> the AP. > >>>> You must disable airmax on the AP in order to handle normal clients, > you > >>>> can't have some CPE's running in Airmax and some not running in > Airmax. > >>>> > >>>> Regards > >>>> Michael Baird > >>>> > >>>> > >>>>> Be aware though, you cannot mix and match at the same time.For > example: > >>>>> > >>>>> 1 Airmax AP and 10 Airmax enabled CPE = Airmax network. > >>>>> 1 Airmax AP, 9 Airmax enabled CPE and 1 802.11G/N = 802.11G/N > network. > >>>>> > >>>>> ryan > >>>>> > >>>>> On Wed, Aug 26, 2009 at 6:26 AM, Michael Baird <m...@tc3net.com> > >>>>> > >> wrote: > >> > >>>>> > >>>>> > >>>>>> Not sure if this is clear, but with airmax enabled Ubiquity is > >>>>>> proprietary, if you disable airmax it will work with other n/g > >>>>>> > >> clients, > >> > >>>>>> I don't think b is supported at this time. The firmware is rather > >>>>>> > >> young > >> > >>>>>> at this time as well, I'd wait a few releases before using these in > >>>>>> production. > >>>>>> > >>>>>> Regards > >>>>>> Michael Baird > >>>>>> > >>>>>> > >>>>>> > >>>>>>> Yes by default it act as a regular 11n unit to get TDMA function > you > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>> would enable airMAX function on the units. Kind of like with > MikroTik > >>>>>> > >>>>>> > >>>> you > >>>> > >>>> > >>>>>> would enable Nstrem to get that functionality. As far as I know > these > >>>>>> > >>>>>> > >>>> two > >>>> > >>>> > >>>>>> systems are not compatible. > >>>>>> > >>>>>> > >>>>>> > >>>>>>> 11n is backwards compatible with a/b/g > >>>>>>> So yes your scenario about upgrade path works just fine. > >>>>>>> > >>>>>>> /Eje > >>>>>>> ------Original Message------ > >>>>>>> From: os10ru...@gmail.com > >>>>>>> Sender: wireless-boun...@wispa.org > >>>>>>> To: WISPA General List > >>>>>>> ReplyTo: WISPA General List > >>>>>>> Subject: [WISPA] New UBNT M line, 802.11n without TDMA? > >>>>>>> Sent: Aug 26, 2009 06:40 > >>>>>>> > >>>>>>> Can the new UBNT M line gear be used as an 802.11n access point > >>>>>>> without the TDMA? I'm assuming the TDMA protocol is proprietary and > >>>>>>> that when using the TDMA protocol normal 802.11a/b/g gear doesn't > >>>>>>> work. I'm also assuming the TDMA can be turned off which I realize > >>>>>>> might not be the case. > >>>>>>> > >>>>>>> For example, could someone who's currently running an 802.11g AP > >>>>>>> replace the AP with the new M gear but with the TDMA turned off > (for > >>>>>>> now), at their leisure change out 802.11g CPEs replacing them with > >>>>>>> the M enabled ones (also with the TDMA turned off for now), and > when > >>>>>>> all the CPEs have been upgraded and are M compliant throw the > switch > >>>>>>> and go TDMA in a smooth transition? > >>>>>>> > >>>>>>> Thanks! > >>>>>>> Greg > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >> > -------------------------------------------------------------------------------- > >> > >>>>>>> WISPA Wants You! 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