Yes, exactly what I was thinking – have the tops off both units just now
Slainte,
John
From: Marcus D. Leech
Sent: Thursday, September 21, 2017 7:21 AM
To: John Shields
Cc: [email protected]
Subject: Re: [USRP-users] N200 MIMO PPS not being detected on mate...
On 09/20/2017 03:11 PM, John Shields wrote:
Yes, Marcus, the other USRP (the one with the GPSDO) passes the
test_pps_input with source type gpsdo or mimo or external!
Kind Regards,
John
You could swap the GPSDO over and see if the "bad" USRP still fails to see 1PPS.
From: Marcus D. Leech
Sent: Thursday, September 21, 2017 7:01 AM
To: John Shields
Cc: [email protected]
Subject: Re: [USRP-users] N200 MIMO PPS not being detected on mate...
On 09/20/2017 02:58 PM, John Shields wrote:
Thanks Marcus,
Here is the output of test_pps_input for the mate
N200 connected through MIMO cable:
john@i7ubuntu:~$ test_pps_input --args addr=192.168.20.2 --source=mimo
linux; GNU C++ version 6.3.0 20170406; Boost_106200;
UHD_003.010.002.000-3-g122bfae1
Creating the usrp device with: addr=192.168.20.2...
-- Opening a USRP2/N-Series device...
-- Current recv frame size: 1472 bytes
-- Current send frame size: 1472 bytes
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N200r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: SBXv3 RX
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: SBXv3 TX
Attempt to detect the PPS and set the time...
-- 1) catch time transition at pps edge
Error: RuntimeError: Board 0 may not be getting a PPS signal!
No PPS detected within the time interval.
See the application notes for your device.
Hmmm, this is puzzling for sure.
I've never used the MIMO cable, so I don't have much experience.
If the other USRP is running properly, it should be producing 1PPS.
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