Hi Jeff, I use the SFP+ to RJ45 adapters from Ubiquiti, which worked pretty well with a Cat6 copper cable over a couple of meters. I tested that with a Sonnet 10Gb to Thunderbolt 3 adapter on an Intel NUC for an X310. Works like a charm.
Carefully check that the SFP+ adapter for the X310 you are buying is really supporting Jumbo-frames. There are cheap(er) ones on the market for 10Gbit Ethernet, though they do not necessarily support frame sizes of, e.g., 9000. I experienced this with SFP+ adapters before we bought the ones from Ubiquiti. It has been a pain to find this out, because the data sheet did not mention that and after quite some time I found a forum post stating that this device does not support Jumbo frames. All the best, Emanuel Von: USRP-users <usrp-users-boun...@lists.ettus.com> Im Auftrag von Jeff S via USRP-users Gesendet: Dienstag, 13. Oktober 2020 18:20 An: Ettus Mail List <usrp-users@lists.ettus.com> Betreff: Re: [USRP-users] SFP+ to RJ45 Adapter I just rered my post as well, and I should have been more clear. The Thunderbolt adapter I have has an RJ45 connector (unfortunately) https://www.cablematters.com/pc-1039-131-intel-certified-thunderbolt-3-to-10-gb-ethernet-adapter.aspx. It is not one that I asked for, just what I ended up with. I wanted to go from that RJ45 (via copper?) to the SFP+ port on the X310. I like the suggestions from everyone so far, and I need to see what's going to fit (cost-wise). Thanks! ________________________________ From: Derek Steinkamp <derek...@gmail.com> Sent: Tuesday, October 13, 2020 10:51 AM To: Jeff S <e070...@hotmail.com> Subject: Re: [USRP-users] SFP+ to RJ45 Adapter Just re-read your post. This is what you need (assuming your thunderbolt 10G adapter has an SFP+ port- if not see the QNAP product) [Blue] Colored 10G SFP+ DAC Cable - Twinax SFP Cable for Ubiquiti Devices, 2-Meter(6.5ft) https://www.amazon.com/dp/B075XJXSWG/ref=cm_sw_r_cp_api_fab_1XCHFbFY9K6T6 QNAP QNA-T310G1S Thunderbolt 3 to 10GbE Adaptor, Single-Port Thunderbolt 3 to Single-Port 10GbE SFP+ https://www.amazon.com/dp/B07KTLP44W/ref=cm_sw_r_cp_api_fab_BZCHFbCZ56488 On Tue, Oct 13, 2020 at 10:43 AM Jeff S via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: I acquired a Thunderbolt 10 Gigabit adapter, and I was wondering if I could connect it to the SFP+ connector on my X310. Has anyone done this? And, is there a particular SFP+ to RJ45 which works well? All I see on the Ettus website is the recommendation for using the terminated cable and PC network adapter. Thanks, Jeff _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com<mailto:USRP-users@lists.ettus.com> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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