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 < usrp-users@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_imgs_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 < > usrp-users@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 93940cmspooner@nwra.com831 582 4904 <(831)%20582-4904> >> cyclostationary.blog >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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