USB To 4 Port RS232 Serial Adapter Supports Bidirectional Transmission 4 Ports
Feature: 1. Function: This USB to 4 Port RS232 serial distributor supports to convert 1xUSB port to 4xRS232 serial ports. The input port is 1xUSB (USB2.0, USB1.1) and the output port is 4xRS232 (DB9 Serial).