[USRP-users] Persistent red LINK LED, streaming samples valued zero
Marcus D. Leech
patchvonbraun at gmail.com
Mon Jul 20 11:20:32 EDT 2020
On 07/20/2020 01:52 AM, Hai Nguyen via USRP-users wrote:
> I'm having an error where received samples from RX chains of a X310
> (after calling recv from the streamer) have values of 0 (both I and
> Q), and those values don't change over time. One abnormal thing is
> that the LINK LED in the front panel is persistently red during
> streaming. I noticed that when streaming samples is ok this LED is
> normally persistently orange instead.
> Do you have any ideas what would be the cause of this?
> Thank you and best regards,
Are you getting any under-run indications?
What sample rate are you using?
Do you see this at the same sample rate with an example application like
"rx_samples_to_file". Are you using standard FPGA firmware or do
you have your own modules in the FPGA?
What version of UHD are you using?
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