On 08/08/2019 23.04, Paul in Houston TX wrote:
T wrote:

....


http://www.usconverters.com/usb-serial-adapter-xs880

Mine is about is about 10 years old and has been with me from
Mexico to the Arctic Circle and on 4 laptops.
The data and power lights are a necessity.
It is USB2 though.Â* None of our monitoring equipment uses USB3x.
Don't know why anyone would need USB3 for equipment.


It comes from the laptop being good and modern, thus not having USB2 ;-p


--
Cheers, Carlos.