STARTECH 4-Port USB to DB9 RS232 Serial Adapter Hub

The STARTECH 4-Port USB to DB9 RS232 Serial Adapter Hub enables you to connect up to four RS232 serial devices to your computer using a single USB port. This solution is ideal for adding legacy serial functionality to modern PCs that lack native RS232 connections.

With support for data rates of up to 921.6Kb/s, this hub is perfect for industrial and professional applications where stable and fast data transfer is essential. The rugged metal construction ensures durability, while the included DIN rail and wall-mounting options make installation flexible for various environments.

Key Features

• Four RS232 ports from a single USB connection
• USB powered – no external adapter required
• Industrial-grade metal housing for durability
• Supports multiple operating systems including Windows CE (4.2, 5, 6), Server 2003-2009, XP/Vista/7/8/10, Linux 2.4.x-4.11.x (LTS only) & macOS 10.6-10.15, 11
• Compact dimensions (HxWxD): 23x59x178mm for space-saving installation
• Included accessories: USB cable, DIN rail kit, software, and user guide

Ideal for industrial automation, POS systems, CNC machines, and legacy device connectivity, this adapter hub ensures seamless integration of older serial devices with modern USB-equipped computers.