Error Opening Multiple Device Session with NI USRP-2901

Updated Mar 20, 2018

Reported In

Hardware

  • USRP-2901
  • USRP-2900
  • CDA-2990

Software

  • LabVIEW 2017 Full

Driver

  • NI-USRP 17.0

Issue Details

I am using 4x NI USRP-2901 in MIMO configuration along with NI Octoclock CDA-2990. In available MIMO examples  (e.g. 8x8 test bed example), we need to provide the IP address separated by semicolons as these codes were made for NI USRP-292x devices which connects with Host PC via ethernet.  But when I try to do similar thing with NI 2901, I receive below error message

Solution

Multiple device sessions are not supported with NI USRP-290x devices. A separate session needs to be opened for each NI USRP-2901 device. Below image shot can help:

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