<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br class=""><blockquote type="cite" class="">Il giorno 10 nov 2020, alle ore 02:44, Jim Unroe <<a href="mailto:rock.unroe@gmail.com" class="">rock.unroe@gmail.com</a>> ha scritto:<br class=""><br class="">The above ( /dev/cu.usbserial ) indicates that you have a programming<br class="">cable with a Prolific type USB-to-Serial chip. Genuine Prolific chips<br class="">are very rare in programming cable so the likelihood of your chip<br class="">being an unauthorized copy is very high. In that case you need to<br class="">purchase and use a 3rd party device driver. This is the one I bought<br class="">and installed on my macBook Air to use with my large variety of<br class="">programming cables with a "Prolific" chip.<br class=""><br class=""><a href="https://www.mac-usb-serial.com/" class="">https://www.mac-usb-serial.com/</a><br class=""><br class="">Jim KC9HI</blockquote><div class=""><br class=""></div>Ah, interesting. I was taking for granted that driver-wise I was fine since I could download from the radio and I already installed the following ones as suggested in other discussions I read:<br class="">- PL2303_MacOSX_v1.6.4_20200911.zip from <a href="http://www.prolific.com.tw/US/supportDownload.aspx?" class="">http://www.prolific.com.tw/US/supportDownload.aspx?</a>FileType=56&FileID=133&pcid=85&Page=0 (I also tried PL2303HXD_G_Driver_v2_0_0_20191204.zip from <a href="http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41" class="">http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41</a> with similar results)<br class="">- RTSystemsMacDriversV24.zip from <a href="http://www.rtsystems.us/drivers/" class="">http://www.rtsystems.us/drivers/</a><br class=""><br class="">In case it may shed more light, the attachment shows the response of the “Serial Detect” app from <a href="http://mac-usb-serial.com" class="">mac-usb-serial.com</a>.<div class=""><br class="">I will give a try to their driver and report back. Apparently with the Sunday sale.<br class=""><br class="">Thanks again,<div class=""><br class=""></div><div class="">Giulio</div><div class="">IU0BMW</div><div class=""><img apple-inline="yes" id="B9CA0766-84BC-4E30-9B50-459A536C1A7D" src="cid:0C865F45-9779-4C88-A9B0-52633E616D5A@lan" class=""></div></div></body></html>