Derek: Very helpful reply; thanks much. Chad On Fri, 2017-11-17 at 12:08 +0000, Derek Kozel wrote: > Hi Chad, > > To add to what Neel said, no matter the FPGA image or Ethernet type a > USRP cannot be accessed from two computers at the same time. The > device is claimed as the first action when a connection is made to it > by a program. > > Regards, > Derek > > On Fri, Nov 17, 2017 at 1:08 AM, Neel Pandeya via USRP-users > e...@lists.ettus.com> wrote: > > Hello Chad: > > > > If you are using 1 Gigabit Ethernet, then only one of two SFP ports > > in the rear of the X300/X310 can be used. If you have 10 Gigabit > > Ethernet, then the second SFP port can be used. Please see the link > > below. The SFP ports are configured depending on which FPGA image > > is being used. > > > > http://files.ettus.com/manual/page_usrp_x3x0.html#x3x0_load_fpga_im > > gs_fpga_flavours > > > > Regarding your use-case, if you have a second daughterboard in your > > X300/X310, then you can simultaneously receive in parallel. With > > two daughterboards, the X300/X310 provides two transmit chains and > > two receive chains. > > > > What is the configuration of your system? > > > > --Neel Pandeya > > > > > > > > On 15 November 2017 at 17:34, Chad Spooner via USRP-users > > r...@lists.ettus.com> wrote: > > > All: > > > > > > I'm wondering how to use the second ethernet port on my x310. > > > I've been going through the > > > online Ettus SDR help, but can't seem to find the right pages. > > > > > > The short version of my question is: Can I use the two ethernet > > > ports independently, say > > > when each of them is connected to a separate computer? If so, how > > > do I set up the second > > > port? I'm using computers with 1 GiG Ethernet only. > > > > > > Details/Context: I have a working gnuradio companion flowgraph > > > that generates a signal indefinitely > > > and applies it to (A:0, Tx/Rx). That output port is connected by > > > a cable to (B:0, RX2). All indications are > > > that this is working well. At irregular intervals, I want to > > > obtain large numbers of samples from > > > (B:0, RX2) by calling, say, uhd_rx_cfile or the like, outside of > > > the flowgraph, which is still > > > running. I'm prevented from doing that while the flowgraph is > > > running. Can I do it using the > > > second 1 GiG port if I set it up properly? > > > > > > Thanks for any advice you can offer. > > > > > > Chad > > > > > > -- > > > Chad M. Spooner > > > NorthWest Research Associates > > > 301 Webster Street > > > Monterey, CA 93940 > > > cmspoo...@nwra.com > > > 831 582 4904 > > > cyclostationary.blog > > > > > > _______________________________________________ > > > USRP-users mailing list > > > USRP-users@lists.ettus.com > > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.co > > > m > > > > > > > _______________________________________________ > > USRP-users mailing list > > USRP-users@lists.ettus.com > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > -- Chad M. Spooner NorthWest Research Associates 301 Webster Street Monterey, CA 93940 cmspoo...@nwra.com 831 582 4904 cyclostationary.blog
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