FOR USB2.0 to 4-Port RS422/485 Adapter Convertor — Chipset Serial Port Multiplier / USB to RS485 Hub

Turns a single USB2.0 connection into four RS422/485 serial interfaces. This chipset-based adapter functions as a serial-port multiplier, providing four independent RS422/485 ports and acting as a compact USB-to-RS485 hub. Ideal for connecting multiple serial devices to one USB port without additional hardware.