Pro Signal USB to 2x 9 Pin Serial Adaptor RS 232 Multi Port Converter, Windows & Mac Compatible

Dual Serial Ports: Converts a single USB port into two 9-pin RS-232 serial ports, allowing multiple serial devices to be connected simultaneously. USB Powered: No external power supply required; convenient and easy to use. Automatic USB Handling: Supports automatic USB protocol management for seamless plug-and-play operation. Wide Compatibility: Compatible with USB v1.1 and v2.0 ports, supporting Windows 2000/XP/Vista/7/8 and Mac OS 10.4/10.5. Supports Remote Wake-Up & Power Management: Efficiently manages power usage for connected devices. Reliable RS-232 Performance: Supports all common RS-232 serial ports for industrial, lab, or home use.