Changes
* USB native device in Linux
* Over 10 ports can be installed
* Isolated DC 5V power
* Ambient Operation from –40°C to 85°C.
=== Electrical and environmental ===
* Isolation per [https://standardscatalog.ul.com/standards/en/standard_1577_5 UL 1577]
* Transient immunity: 30kV/uS.
* Isolated DC 5V power
* Ambient Operation from –40°C to 85°C.
