[USRP-users] SFP port1 of USRP N310 does not work

Marcus D. Leech patchvonbraun at gmail.com
Wed Jul 29 23:10:49 EDT 2020


On 07/29/2020 10:16 PM, Heng Zhang wrote:
>   I found the SPF+ to RJ45 adapter I used only supports max 1.25Gb 
> data rate. I will get a 10 Gb adapter. Btw, what type of wiring should 
> I use, cat.6. or cat.7?
https://www.lewan.com/blog/comparison-of-10gb-cabling-options-for-your-data-center

>
> Rob Kossler <rkossler at nd.edu <mailto:rkossler at nd.edu>> 于2020年7月29日 
> 周三 下午9:45写道:
>
>     Are you using the XG version of the FPGA image?
>
>     On Wed, Jul 29, 2020 at 9:03 AM Heng Zhang via USRP-users
>     <usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>>
>     wrote:
>
>         The SFP+ module and optical I used are attchment when buying
>         USRP N310. I will check them.
>
>         	
>         Heng Zhang
>         邮 箱:zh.heng96 at gmail.com
>
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>
>
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>
>                 On 07/29/2020 20:42, Marcus D. Leech via USRP-users
>                 <mailto:usrp-users at lists.ettus.com> wrote:
>                 On 07/29/2020 08:14 AM, Heng Zhang via USRP-users wrote:
>>                 Dear community,
>>
>>                 I follow this guide
>>                 https://kb.ettus.com/USRP_N300/N310/N320/N321_Getting_Started_Guideand
>>                 now I can connect to N310 by RJ45 port. And I also
>>                 can connect to SFP port0. However, when I  try to use
>>                 SFP port1, it does not work. I found that the green
>>                 LED above SFP port 1 does not even illuminate after
>>                 connecting the PC to it. The network interface
>>                 configuration of PC is shown as follows
>>
>>                 enp1s0    Link encap:Ethernet  HWaddr d4:5d:64:9c:d1:86
>>                           inet addr:192.168.20.1
>>                  Bcast:192.168.20.255  Mask:255.255.255.0
>>                           inet6 addr: fe80::3ac5:ee40:457b:3554/64
>>                 Scope:Link
>>                           UP BROADCAST RUNNING MULTICAST  MTU:9000
>>                  Metric:1
>>                           RX packets:1311 errors:0 dropped:0
>>                 overruns:0 frame:0
>>                           TX packets:1937 errors:0 dropped:0
>>                 overruns:0 carrier:0
>>                           collisions:0 txqueuelen:1000
>>                           RX bytes:191173 (191.1 KB)  TX bytes:249297
>>                 (249.2 KB)
>>
>>                 How can I use 10 Gb SFP port1? Any advice would be
>>                 appreciated.
>>
>>                 Regards,
>>                 Heng
>>
>                 My guess is that you have a problem with your cabling,
>                 or the SFP+ module that you plugged in to the USRP.
>
>                 What SFP+ module are you using?  What type of
>                 wiring/optical?
>
>
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