<div dir="ltr"><div>Curious, this COM7 also has the XR21V1410 (assuming "04e2:1410 Exar Corp. XR21V1410 USB-UART IC") that came up recently in a few discussions.</div><div><br></div><div>See huawei-ups2000 driver man page comments (new in NUT 2.8.0+) about needing Linux Kernel newer than 5.12 and a specific driver module to get that device handled on the low-level OS side.</div><div><br></div><div>For kicks, you can try starting different drivers from a NUT for Windows build - I'd be interested to know if it actually picks up a serial port device (with nutdrv_qx as a  first stop, to test for Megatec Qx protocol family). Getting USB handled directly may be quite a hassle currently (without a proper elevated installer), but may be doable too: <a href="https://github.com/networkupstools/nut/issues/1690#issuecomment-1455206002">https://github.com/networkupstools/nut/issues/1690#issuecomment-1455206002</a></div><div><br></div><div>Can try a pre-built tarball from CI <a href="https://ci.appveyor.com/project/nut-travis/nut/history">https://ci.appveyor.com/project/nut-travis/nut/history</a><br></div><div>e.g. for currently-latest master-branch build: <a href="https://ci.appveyor.com/project/nut-travis/nut/builds/48009107/artifacts">https://ci.appveyor.com/project/nut-travis/nut/builds/48009107/artifacts</a> => <a href="https://ci.appveyor.com/api/buildjobs/kn42sp8aek4md9va/artifacts/NUT-for-Windows-x86_64-SNAPSHOT-2.8.0.725-master.7z">https://ci.appveyor.com/api/buildjobs/kn42sp8aek4md9va/artifacts/NUT-for-Windows-x86_64-SNAPSHOT-2.8.0.725-master.7z</a></div><div><br></div><div>Jim</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Sep 12, 2023 at 9:25 AM Laurent <<a href="mailto:fatgear1@free.fr">fatgear1@free.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u><div><div class="gmail_quote"><div dir="auto">Le 12 septembre 2023 09:24:58 GMT+02:00, Laurent <<a href="mailto:fatgear1@free.fr" target="_blank">fatgear1@free.fr</a>> a écrit :</div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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