Hi Michael,
Thanks for informing us about this. I would be happy to test it. I am in
the moment on vacation, but next week I will find some time to test it.
Best regards,
Vladica
On 03.08.21 17:17, Michael Dickens wrote:
Hi Vladica & the USRP community - For those of you who have White
Rabbit equipment, you can download brand new hot off the buildbots WR
FPGA images (WX and XQ) for your N3x0 or N32x here <
https://drive.google.com/drive/folders/1y-AJA2ZBaHgwyRCiOfatfAyLSX0t1G7l?usp=sharing
<https://drive.google.com/drive/folders/1y-AJA2ZBaHgwyRCiOfatfAyLSX0t1G7l?usp=sharing>>
. Note that these are for UHD 4.1.0.X -- UHD public GIT master; GIT
branch UHD-4.1, or 4.1.0.0 or 4.1.0.1 releases. I've tested these FPGA
images on N310 revision 5 and 7, and N320 (current revision); just up
through "benchmark_rate" when specifying "time_source=sfp0" and
multiple channels, both on the USRP and remote to a host ... all works
fine! Thus, I wanted to get the FPGA images out to customers for
testing / evaluation ... If you do so, I'd love to hear of your
successes / issues! - MLD
On Tue, Jul 13, 2021 at 2:01 PM Vladica Sark <vladicas...@gmail.com
<mailto:vladicas...@gmail.com>> wrote:
Hi Rob,
Thanks for this useful information.
According to Michael it should be fixed mid/late July 2021, so pretty
soon. Meanwhile I can only switch back to X310 probably, and see
if it
works there.
Let's hope it would be fixed soon.
BR,
Vladica
On 12.07.21 17:47, Rob Kossler wrote:
> Hi Vladica,
> From the 'changelog', it appears that N321 support began with
release
> 3.14. But, at that point I believe that WR was already broken.
So, I
> think that there is no solution to your problem other than to
wait for
> Ettus to fix the WR issues. However, WR has been broken for a
while
> (note user-list posts from last fall Sept & Dec) so I don't
know when
> this will be working again.
> Rob
>
>
> On Wed, Jul 7, 2021 at 10:26 AM Vladica Sark
<vladicas...@gmail.com <mailto:vladicas...@gmail.com>
> <mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>>>
wrote:
>
> Hi Michael,
>
> I obtained the necessary SFP+ optical adapters and now I am
trying to
> put uhd 3.13.1.0 on the N321s in order to use the WR
synchronization.
> Unfortunately, when I update the sd card image with 3.13.1.0
the N321
> boots but the SFP0 and SFP1 do not go up. When I try to run
> uhd_find_devices, on a terminal using the USB port it says
no UHD
> devices are found.
>
> I believe that the right FPGA image should be put on the
FPGA, but
> the
> ways described in Knowledgebase are not working.
>
> Is there a way to put the version 3.13.1.0 on the N321? I
have tried
> version 4.0.0.0 and it is working fine, but WR is broken.
>
> BR,
> Vladica
>
>
> On 22.06.21 21:31, Michael Dickens wrote:
> > I'm using primarily FS adapters, cables (single and multi
mode),
> and
> > fiber connectors (to allow multiplexing lanes). The adapters I
> bought
> > were "generic" and had to be tweaked using an FS BOX to be
fully
> > compatible with Intel or Mellanox NICs. This tweaking
seems to have
> > helped a lot with the 100 Gb interface (E810); the 10 Gb
> interfaces do
> > not show much benefit to be manufacturer specific --
though I'm
> sure
> > it doesn't hurt! I have not tried a multi-mode to single mode
> splitter
> > / joiner, but I'd suppose they do exist & if anybody here
has had
> > experience that would be useful to hear about! I hope this is
> useful!
> > - MLD
> >
> >
> > On Tue, Jun 22, 2021 at 10:05 AM Vladica Sark
> <vladicas...@gmail.com <mailto:vladicas...@gmail.com>
<mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>>
> > <mailto:vladicas...@gmail.com
<mailto:vladicas...@gmail.com> <mailto:vladicas...@gmail.com
<mailto:vladicas...@gmail.com>>>>
> wrote:
> >
> > Hi Michael,
> >
> > Thanks for the answer. For now for the data I am using DAC
> cables,
> > but
> > we would need larger distances, i.e. 50+ meters, and for
> this I would
> > need fibers for both WR and data.
> >
> > Is there also some optical multiplexer for these
wavelengths, in
> > order
> > to use a simplex fiber, for both WR and data?
> >
> > BR,
> > Vladica
> >
> > On 22.06.21 15:41, Michael Dickens wrote:
> > > Hi Vladica - I've tested a variety of fiber adapters and
> cables
> > with
> > > no issues (e.g., ZyXEL, FS, Axcen). The primary keys are
> to make
> > sure
> > > the various related parameters match up between the
> adapters and
> > > cables and devices. For example: If the adapter is
1490/1310,
> > then you
> > > want to make sure the cable is for the same
wavelengths. Same
> > for the
> > > fiber polish and other parameters (single / dual
fiber ; .
> Some are
> > > easier than others, none of this is too difficult
luckily!
> > >
> > > For short distances, a DAC cable will work for all
of the
> N320/N321
> > > SFP interfaces.
> > >
> > > At the moment, WR support is being fixed for UHD
3.14.0.0 to
> > current.
> > > If you -require- WR support -right now- you can use UHD
> 3.13.1.0
> > while
> > > we're working out how to fix WR for newer UHD. We expect
> the fix
> > to be
> > > available to customers sometime in mid/late-July
(2021); once
> > the fix
> > > is determined and verified we will commit it to the
various
> > branches
> > > of the UHD repository, and it will be available in UHD
> -after- the
> > > forthcoming 4.1 release. It will be available in the
> public UHD
> > > repository for folks to use to patch UHD between
releases.
> > >
> > > I hope this is useful! - MLD
> > >
> > >
> > > On Tue, Jun 22, 2021 at 6:19 AM Vladica Sark
> > <vladicas...@gmail.com <mailto:vladicas...@gmail.com>
<mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>>
> <mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>
<mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>>>
> > > <mailto:vladicas...@gmail.com
<mailto:vladicas...@gmail.com>
> <mailto:vladicas...@gmail.com
<mailto:vladicas...@gmail.com>> <mailto:vladicas...@gmail.com
<mailto:vladicas...@gmail.com>
> <mailto:vladicas...@gmail.com <mailto:vladicas...@gmail.com>>>>>
> > wrote:
> > >
> > > Dear all,
> > >
> > > I would like to use N321 with WRS 3/18 which
uses optical
> > cables. I
> > > would like to use also for the 10 Gbit SFP1
optical SFP+
> > transceiver.
> > > Do you have some recommended optical SFP+ adapters,
> duplex and,
> > > preferably, simplex?
> > > The idea is to use a duplex monomode fiber, one
fiber for
> > the 10 Gbit
> > > data and one fiber for WRS synchronization.
> > > They would be connected to 10 Gbit switch or QNAP
> > Thunderbolt to SFP+
> > > adapter, so they do not have to be Intel.
> > >
> > >
> > > Best regards,
> > >
> > > Vladica
> > >
> > > _______________________________________________
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