StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I) AV & Surveillance A multifunctional USB port allows

A multifunctional USB port allows you to share files and media through your internet browser with different computers

1 Mode Switch

With advanced Blue VO

This cost-effective upgrade is available in 2666 MHz–3733 MHz speeds

including 5Gbps speeds via two USB-A 3

StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I) AV & Surveillance A multifunctional USB port allowsAdd four extra COM ports to your laptop or desktop computer, quickly and easily. This USB to RS232 422 485 serial adapter lets you connect to your serial devices through an external USB port. Supports multiple serial protocolsThe versatile serial adapter converts a single USB port into four RS232 RS422 RS485 serial ports, enabling you to connect, monitor, and control a wide range of serial devices, such as sensors, barcode scanners, and LED signage.