On Tue, Sep 29, 2020 at 02:40:31PM +0000, Federico Murciano wrote: > Si Sebastian, > > When I run the at+qeng=???servingcell??? command with mmcli as: > > sudo mmcli -m 0 --command=at+qeng=???servingcell??? > > I get the following error: > > GDBus.Error:org.freedesktop.ModemManager1.Error.Connection.NoCarrier: No > carrier' > > Do you know why am I getting it? > > Thank you! >
Hi Federico, you have to take shell quoting into account: $ echo sudo mmcli -m 0 --command=at+qeng="servingcell" sudo mmcli -m 0 --command=at+qeng=servingcell $ echo sudo mmcli -m 0 '--command=at+qeng="servingcell"' sudo mmcli -m 0 --command=at+qeng="servingcell" Regards, Reinhard > -- > Federico Murciano > B.Sc. Telecommunications Engineer > federico.murci...@dai-labor.de > Tel. +49 (0) 30/314 -74 025 > Future in touch. > DAI-Labor > Technische Universität Berlin > Fakultät IV ??? Elektrotechnik & Informatik Sekretariat TEL 14 > Ernst-Reuter-Platz 7 > 10587 Berlin, Germany > > www.dai-labor.de > > DAI-Labor - Distributed Artificial Intelligence Laboratory Chief Executive > Director: Prof. Dr. Dr. h.c. Sahin Albayrak > > ________________________________________ > Von: Sebastian Sjöholm <sebastian.sjoh...@gmail.com> > Gesendet: Dienstag, 29. September 2020 05:37 > An: Nick B > Cc: Federico Murciano; modemmanager-devel@lists.freedesktop.org > Betreff: Re: 5G connection establishment > > Hi, > > When using NSA (ENDC) the anchor will always be LTE, so for the modem LTE > will be the primary network. > > The NR will only be used for the user plane, and activated only during data > session, but even during data session signalling (control plane) will be on > LTE. > > Depending on network setup, the NR session will be disconnected right after > the data session. At some it can be instant, other might have longer timeouts. > > On RM500 you can check with at+qeng=???servingcell??? and on SIM8200 at+cpsi? > to see if the additional NR cell is connected after or during data session. > > Regards, > Sebastian > > @Mobile > > > On 29 Sep 2020, at 00:21, Nick B <nickberr...@icloud.com> wrote: > > > > ???Hey, > > > > Just for the record, I am having the excat same experience in Australia > > with at Quectel RM500Q-GL and SIMCOM SIM8200EA-M2. Is there any debugging > > info that would be helpful? > > > > Best, > > Nick > > _______________________________________________ > > ModemManager-devel mailing list > > ModemManager-devel@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel > _______________________________________________ > ModemManager-devel mailing list > ModemManager-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel _______________________________________________ ModemManager-devel mailing list ModemManager-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
