Cisco has an OC-48 SPA that has modular optics… SPA-1XOC48-POS. I’ve seen this one in use before.
> On Jun 15, 2016, at 5:08 AM, Eric Kuhnke <[email protected]> wrote: > > Now that I think about it I am actually not sure I have ever seen a modular > SFP sized optic used for an OC-48, all of the interfaces I've personally > handled have the optic soldered onto the board. SC duplex connectors in the > faceplate of, for example, a Juniper PB-OC48 in a FPC2. > > http://i.ebayimg.com/images/g/VTYAAOxydgZTHcbQ/s-l300.jpg > <http://i.ebayimg.com/images/g/VTYAAOxydgZTHcbQ/s-l300.jpg> > > > On Wed, Jun 15, 2016 at 3:50 AM, Faisal Imtiaz <[email protected] > <mailto:[email protected]>> wrote: > FWIW, 2.5g optics came from the TDM world, typically used for OC-48 ports, > and yes all of the major router platforms support it (not necessarily under > ethernet). Then because of this, there were a lot of 'waves' fiber channels > available, as in LH transport, for 2.5g. Today due to cost, ROI and > popularity 2.5g is fading into the background in favor of SFP+. > > Getting back to, arm chair quarterbacking the Trango product, I can think of > a couple of reasons why they might have choosen 2.5g SFP module slot, > considinger 1G/2.5G modules use the same Slot, chips etc, and SFP+ are not > necessarily 1G/10G , also realizing their background with TDM it is quite > possible that this product has a shared heritage with another of their TDM > radio, or at some point in time (it may possibly be even now) it was intended > as wireless OC48 transport. > > :) > > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, FL 33155 > Tel: 305 663 5518 x 232 > > Help-desk: (305)663-5518 Option 2 or Email: [email protected] > > From: "Eric Kuhnke" <[email protected] <mailto:[email protected]>> > To: [email protected] <mailto:[email protected]> > Sent: Monday, June 13, 2016 9:49:53 PM > Subject: Re: [AFMUG] Trango StrataPro Xi > Yeah, sure, if your design goal is to make your L3 backbone harder to > troubleshoot and more failure prone in chains of non-redundant devices. I > suppose I could put a 48 port 1000BaseT switch in front of each router and > put the microwave PTP linked OSPF /30 BB interfaces each on their own vlan, > with one 10GbE from router to switch, but I'd be silly to do so. > > On Jun 13, 2016 6:26 PM, "Josh Baird" <[email protected] > <mailto:[email protected]>> wrote: > There -could- be a router doing L3 behind the switch. It's not that > uncommon, right? > > On Mon, Jun 13, 2016 at 9:17 PM, Eric Kuhnke <[email protected] > <mailto:[email protected]>> wrote: > Switch? If people do layer 2 over $6,000+ microwave for backbone links > between two POPs, that is a really bad idea in my opinion. WISPs love to > build layer 2 clusterfucks because a lot of small ones start with basically > no OSPF or BGP knowledge. > > Show me a real router platform that is in common use that supports 2.5 Gbps > SFP (not SFP+ on a rate limited port). > > On Jun 11, 2016 10:29 AM, "Jon Auer" <[email protected] > <mailto:[email protected]>> wrote: > Adtran NetVanta 1544 Ethernet switches (24xGigE, 4xSFP) have been 2.5G > capable since 2009. > > On Thu, Jun 9, 2016 at 4:17 PM, Eric Kuhnke <[email protected] > <mailto:[email protected]>> wrote: > There are such things as 2.5 Gbps SFPs used for fiber channel storage array > applications (example: Cisco MDS9000) but you will not see them used in > ethernet speaking routers/switches. > > On Thu, Jun 9, 2016 at 2:10 PM, Erich Kaiser <[email protected] > <mailto:[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] <mailto:[email protected]> > Office: 630-621-4804 <tel:630-621-4804> > Cell: 630-777-9291 <tel:630-777-9291> > > On Thu, Jun 9, 2016 at 12:41 PM, Cassidy B. Larson <[email protected] > <mailto:[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 > > > > >
