StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A

If you’ve ever struggled to connect an old barcode scanner or industrial modem to a modern laptop, you know the frustration of missing ports. The StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A turns any USB-enabled computer into a reliable RS-232 serial workstation, giving you instant access to legacy equipment without costly upgrades.

StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A - the simple fix for missing serial ports

Many professionals still rely on serial devices, yet new computers rarely include a DB-9 connector. Without a serial link you cannot program, diagnose or control essential hardware, leading to downtime and lost productivity. This adapter bridges that gap by converting a USB 2.0 A port into a full-featured RS-232 DB-9 interface, preserving COM port assignments so reconnecting is seamless. It lets you keep using trusted equipment while moving forward with modern PCs.

Usages of StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A

Connect legacy devices quickly and reliably:

• Linking serial barcode scanners to point-of-sale terminals.
• Programming and testing network routers that require a console port.
• Communicating with industrial PLCs and automation controllers.
• Updating firmware on older medical or scientific instruments.
• Managing serial modems for remote access in field deployments.

Key Features of StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A

• Connector 1: DB-9. Provides the standard 9-pin D-Sub male plug for serial devices.
• Connector 2: USB 2.0 A. Fits any standard USB port on laptops or desktops.
• Cable length: 16.5" (0.42 m). Gives enough reach for most workstation setups without excess slack.
• Data Transfer Rate: 920Kbps. Supports the speed required for typical RS-232 communications.
• Interface (Bus) Type: USB. Ensures plug-and-play compatibility with modern computers.
• Data Link Protocol: RS-232. Guarantees reliable serial signalling for legacy hardware.
• Networking / Ports: RS-232. Directly matches the serial standard used by many devices.
• Warranty: Limited warranty - 2 years. Backed by StarTech.com’s confidence and support.
• OS Required: Windows 8 32-bit Edition (also compatible with Vista, 7, XP, Server 2003 and later 64-bit versions). Ensures driver availability across common Windows platforms.
• Product colour: Black. Offers a discreet, professional appearance on any desk.

Benefits of StarTech.com ICUSB2321X 16.5" DB-9 USB 2.0 A

You gain instant connectivity to older equipment, eliminating the need for expensive hardware replacements. The COM-port retention means the same port number is reassigned automatically, so your software settings stay intact after unplugging and re-plugging. Its compact, single-cable design reduces desk clutter and is ideal for mobile technicians who travel between sites. With a two-year warranty and lifetime technical support, you can rely on the adapter for long-term use without worry.

Specifications