Neel: Thanks very much for the helpful reply. MY x310 has both a SBX and a WBX installed. The working configuration I mentioned has the WBX transmitting and the SBX receiving simultaneously. But how do I get data chunks from the SBX while the flowgraph that implements this simultaneous operation is running? I suppose I can use a File Sink, but I'm not sure how to read segments of the growing file while it is constantly being written to by the SDR/host. I think something that confuses me about the Ettus online documentation is the use of the phrases "Dual 1 Gigabit Ethernet" and "Dual 10 Gigabit Ethernet." These both appear, for example, on the following links: https://www.ettus.com/product/details/X310-KIT https://kb.ettus.com/X300/X310 I thought I understood the "Dual 10 Gigabit Ethernet" from further reading, and that understanding is consistent with what you say below. But then what does Ettus mean by "Dual 1 Gigabit Ethernet"? Thanks again, C On Thu, 2017-11-16 at 17:08 -0800, Neel Pandeya 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 > @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 > > [email protected] > > 831 582 4904 > > cyclostationary.blog > > > > _______________________________________________ > > USRP-users mailing list > > [email protected] > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > -- Chad M. Spooner NorthWest Research Associates 301 Webster Street Monterey, CA 93940 [email protected] 831 582 4904 cyclostationary.blog
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