The XG700 does look pretty good at its pricepoint. We could get away with 12 ports for a while I think. Heck, we might be able to buy 2 if we can find them.
Thanks all for help. I would appreciate any experience people have with transceivers too. Tom On Thu, Aug 5, 2010 at 4:11 PM, Andrew Lutomirski <[email protected]> wrote: > On Thu, Aug 5, 2010 at 3:21 PM, Matt Dexter <[email protected]> wrote: >> Hi Tom, >> >> were you aware of these ? >> http://casper.berkeley.edu/wiki/Recommended_10_GbE_Hardware > > Sadly the list is out of date: some of the switches are no longer in > production. The XG700, for example, is great and cheap but you can't > buy one without great difficulty. > > I'm not sure that manufacturers really care about CX4 anymore now that > SFP+ parts are available. > > --Andy > >> http://casper.berkeley.edu/wiki/Equipment_Cables >> Matt Dexter >> >> On Thu, 5 Aug 2010, Tom Downes wrote: >> >>> Casper-folks: >>> >>> Hoping to short-circuit a fair amount of research here in the hope >>> that someone has had to do this already. I'll soon be looking to >>> connect 10-20 ROACH boards by 10 gbe to a data acquisition >>> computer(s). >>> >>> It seems like the smartest way of doing that is getting a 16-port >>> switch or potentially two 8-port switches. But the 10 Gbe port on the >>> ROACH seems to be CX4 which I take to be a less popular connector >>> variety. >>> >>> What kind of switches have ROACH users out there used to connect up a >>> bunch of boards? Are there switches out there to convert CX4 to >>> something with a reach longer than the 15m Wikipedia quotes as the >>> limit of CX4. 15m is very borderline for our needs. >>> >>> The prices seem to vary widely. We do not need network admin tools or >>> anything fancy. In fact our data rates could probably go over 10Mb >>> cabling, but the 10Gbe interface of the ROACH is more convenient from >>> the firmware perspective. This is more of a multiplexer than a switch. >>> >>> Tom >>> >>> >> >> > >

