On Mon, Feb 22, 2021 at 11:37:30AM -0500, Michael G. Katzmann wrote: > For reference this is the device I have ... > > Bus 001 Device 011: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.00 > bDeviceClass 0 > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 64 > idVendor 0x067b Prolific Technology, Inc. > idProduct 0x2303 PL2303 Serial Port > bcdDevice 3.00 > iManufacturer 1 > iProduct 2 Would be interesting to compare with a real TA in case this one happens to be a clone after all. My HXD has bcdDevice 4.00 iManufacturer 1 Prolific Technology Inc. iProduct 2 USB-Serial Controller D here. > iSerial 0 > bNumConfigurations 1 Thanks! Joe, would you mind posting the output of "lsusb -v" for your device as well? Johan