Yeah, NBase-T uses the same modulation as 10GBaseT but at lower data rates to work on older cat5e/cat6 cables. Pretty much irrelevant for radios on rooftops and towers in my opinion, except maybe a future 802.11ac(wave2) public wifi AP on a roof deck of a condo.
On Thu, Jun 9, 2016 at 5:09 PM, Mike Hammett <[email protected]> wrote: > 2.5 and 5 gig are up and comers for enterprise WiFi, but that's copper. > *shrugs* > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Eric Kuhnke" <[email protected]> > *To: *[email protected] > *Sent: *Thursday, June 9, 2016 4:35:22 PM > *Subject: *Re: [AFMUG] Trango StrataPro Xi > > Can I ask what was the reason for the decision to go with a 2.5 Gbps SFP > cage instead of SFP+? I do not have a single router in any network I > support capable of native 2.5 Gbps SFP. Such an interface is incredibly > rare in layer 3 IP network deployments. > > If it had an SFP+ interface it would be trivially easy to software rate > limit a 10GbE optical port in a router (such as a WS-X6704 card in a Cisco > 6500/7600 platform, or a Juniper PC-1XGE-XENPAK) to 2.5 Gbps FD and > assign it an appropriate OSPF cost somewhere in between the cost metrics > currently used on 1Gbps and 10Gbs interfaces for router-to-router backbone > links. > > If the radio's interface will function at 2.5 Gbps with a > standards-compliant 10GbE SFP+ (*not* one of the special weird 2.5 Gbps > FC SFP) on each end of the link, please disregard everything I just said > above. > > > > On Thu, Jun 9, 2016 at 2:21 PM, John Seaman <[email protected]> wrote: > >> Hello and thanks for the questions. The StrataPro does have one 2.5 Gbps >> SFP cage (along with 3 other GigE ports), but so far we have not qualified >> a suitable 2.5 Gbps SFP. That is something we are working on. >> The Xi model is capable of 2 Gbps FDD (4 Gbps aggregate) so that >> currently requires using 2 of the ports to achieve. Going to 4 Gbps FDD >> requires two pairs of radios, in MIMO configuration so you would be using 2 >> ports on each of the radios. >> >> Regarding keys, the Si base model allows 500 Mbps FDX, and there is a key >> that takes it up to 1 Gbps. The Xi model comes with 1 Gbps FDD capability, >> with a key that opens it up to the max 2+ Gbps. Yes, AES-256 is an >> optional key. These are the only keys involved with this product. >> >> Given the capacity of 1 Gbps and 2 Gpbs on these products, 1 MB packet >> buffer should be more than sufficient since they can transmit at Ethernet >> line rate. >> >> Let me know if any other questions, or feel free to hit me off list. >> >> Best regards, >> >> >> >> John Seaman | Sales | *Trango Systems, Inc. | * >> *+1-858-248-4006 <+1-858-248-4006> * >> | >> www.trangosys.com <http://trangosys.com/> >> *[image: Trango Systems] <http://www.trangosys.com/> * >> >> *Innovating Microwave Backhaul**™* >> [image: LinkedIn] <http://www.linkedin.com/company/96727?trk=tyah> [image: >> Twitter] <http://twitter.com/#%21/@trangosystems> [image: Facebook] >> <http://www.facebook.com/TrangoSystems> [image: Google] >> <http://g.co/maps/c42pd> [image: YouTube] >> <http://www.youtube.com/trangosystems> [image: Email] >> <http://visitor.r20.constantcontact.com/d.jsp?llr=ddsu9ilab&p=oi&m=1111619160163> >> >> On Thu, Jun 9, 2016 at 2:10 PM, Erich Kaiser <[email protected] >> > wrote: >> >>> Check with John, but I thought he said something about a 2.5Gbps SFP, >>> not sure why they did not go 10G.... >>> >>> >>> Erich Kaiser >>> North Central Tower >>> [email protected] >>> Office: 630-621-4804 >>> Cell: 630-777-9291 >>> >>> >>> On Thu, Jun 9, 2016 at 12:41 PM, Cassidy B. Larson <[email protected]> >>> wrote: >>> >>>> So I’m checking out the new Trango StrataPro data sheets… The Xi model >>>> appears to do 4Gbps full-duplex.. but no 10G SFP+.. So I’d have to use all >>>> three SFPs, and one copper gig to get it? >>>> >>>> Other notes: it appears they’re keying it up.. so you get to pay extra >>>> to unlock capacity to 1100Mbps and again to unlock max capacity to >>>> 2200Mbps. >>>> Oh and if you want AES-256, you get to pay again. The 1MB packet >>>> buffer.. seems low. >>>> >>>> Anybody else have any thoughts? Anybody got one yet? >>>> >>>> -c >>>> >>> >>> >> > >
