Plugable PL2303-DB9 USB to Serial Adapter - 2 ft DB-9 RS-232 Cable for Legacy Devices - Windows/Mac/Linux - 230 kbit/s
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Product Features
Technical Overview
The adapter delivers a data transfer rate of 230 kbit/s, suitable for most serial communication needs involving legacy peripherals. It features COM port retention, which maintains port assignments and settings across system reboots, simplifying repeated use in managed environments. The chipset is engineered to emulate a standard COM port, allowing existing serial applications to function without modification when connected via USB.
Compatibility extends across Windows versions including 11, 10, 8.x, 7, and Vista, as well as macOS and Linux distributions. The adapter draws power directly from the USB bus, eliminating the need for external power supplies. This design ensures portability and ease of deployment in various settings, from office desks to field service scenarios.
This section brings together practical product details such as Cable Type, Cable Length, Connector Type on First End, Weight (Approximate), so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This adapter offers a cost-effective and reliable solution for integrating legacy serial devices into contemporary IT infrastructures. Its genuine Prolific chipset ensures stable performance and wide driver support, reducing compatibility issues that can arise with generic alternatives.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Broad Device Support, Expert Support.
Broad Device Support
Connects to PDAs, GPS units, routers, modems, printers, network firewalls, plotters, label/receipt printers, handheld terminals, and computers, making it versatile for diverse legacy systems.
- PDA
- GPS
- Router
- Modem
- Printer
Expert Support
Backed by a North American support team with direct access to engineering expertise, providing assistance before and after purchase to ensure successful integration.
- Pre-sale consultation
- Post-sale technical support
Deployment / Use Cases
Deploy this adapter in environments where legacy serial equipment must interface with modern computers. Common use cases include configuring network routers and firewalls that still use serial console ports for initial setup or troubleshooting. It is also effective for connecting industrial devices like plotters or label printers in manufacturing or logistics settings.
IT service teams can use the adapter for field repairs or diagnostics on older hardware, such as point-of-sale systems or medical devices with serial interfaces. The compact design and USB power make it easy to carry in a toolkit for on-site support. In office environments, it facilitates connections to legacy printers or modems that are critical for specific business functions but lack modern connectivity options.
Network Configuration
Use with a NULL modem cable to access console ports on routers and switches for command-line interface management, replacing built-in or PCIe serial adapters.
- Router console access
- Switch configuration
Legacy Peripheral Support
Maintain functionality of older printers, plotters, or handheld terminals by providing a serial connection to newer computers, extending the lifecycle of valuable equipment.
- Printer connectivity
- Terminal emulation
Physical Profile
The adapter features a 2-foot (0.61 m) cable, offering sufficient length for flexible placement while minimizing desk clutter. Its lightweight design at 2.61 ounces (74 grams) ensures easy portability. The robust construction includes a screw-lock mechanism on the DB-9 connector, providing a secure fit that prevents accidental disconnection during data transfers or prolonged use.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 2.61 oz (74 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Weight
- 2.61 oz (74 g)
- Length
- 2 ft (0.61 m)
What's in the Box
The package includes all necessary components for immediate setup and use.
Highlights
- Connects legacy DB-9 RS-232 serial devices to modern computers via USB
- Compatible with Windows 11/10/8.x/7/Vista, macOS, and Linux
- Features genuine Prolific PL2303HX Rev D chipset for reliable performance
- Supports programmable baud rates from 75 bps to 1 Mbps
- Includes screw-lock mechanism for secure connections
- Plug-and-play operation with COM port retention
- Backed by 2-year limited warranty and expert North American support
- Package includes adapter, driver CD, and quick installation guide
Specifications
| Specifications | |
|---|---|
| Manufacturer | Plugable Technologies |
| Manufacturer Part Number | PL2303-DB9 |
| Brand Name | Plugable |
| Product Name | USB to Serial Adapter Compatible with Windows, Mac, Linux |
| Packaged Quantity | 1 |
| Product Type | Data Transfer Cable |
| Technical Information | |
| Cable Type | Serial/USB |
| Cable Length | 2 ft (0.61 m) |
| Connector Type on First End | USB Type A - Male |
| Connector on First End Details | 1 x USB Type A - Male |
| Connector Type on Second End | DB-9 RS-232 Serial - Male |
| Connector on Second End Details | 1 x 9-pin DB-9 RS-232 Serial - Male |
| Device Supported | PDA,GPS,Router,Modem,Printer,Network Firewall,Plotter,Label/Receipt Printer,Handheld Terminal,Computer |
| Data Transfer Rate | 230 kbit/s |
| Features | Screw Lock,Plug & Play |
| Physical Characteristics | |
| Weight (Approximate) | 2.61 oz (74 g) |
| Miscellaneous | |
| Package Contents | USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Rev D Chipset) Driver CD Quick Installation Guide |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What types of devices can I connect using this adapter?
You can connect a wide range of legacy serial devices, including PDAs, GPS units, routers, modems, printers, network firewalls, plotters, label or receipt printers, handheld terminals, and computers. It is designed to interface with any equipment that uses a standard DB-9 RS-232 serial port, making it versatile for IT, industrial, and office environments.
Does this adapter require external power?
No, the adapter draws power directly from the USB port of your computer, so no external power supply is needed. This plug-and-play design simplifies setup and enhances portability, allowing you to use it with laptops or desktops in various locations without worrying about additional power cables.
What is the data transfer rate of this adapter?
The adapter supports a data transfer rate of 230 kbit/s, which is suitable for most serial communication tasks with legacy devices. It also offers programmable baud rates from 75 bps to 1 Mbps, providing flexibility to match the specific requirements of different serial protocols and equipment configurations.
How does the screw-lock feature work?
The screw-lock mechanism involves thumbscrews on the DB-9 connector that secure it to the corresponding port on your legacy device. This prevents the cable from accidentally disconnecting during data transfers or in environments with vibration or movement, ensuring a reliable and stable connection for critical operations.
What warranty and support are included with this adapter?
The adapter comes with a 2-year limited parts and labor warranty. Additionally, Plugable provides access to a North American support team staffed by engineers who design their devices, offering expert assistance both before purchase for compatibility questions and after purchase for technical issues, ensuring you receive knowledgeable support throughout the product lifecycle.
What refresh rate or brightness details are available?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
What input or connectivity options are listed?
Connectivity options include USB Type A - Male, helping the product integrate into common office or home setups.
Does the display support VESA mounting or adjustment features?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
| Qty | Price | Available |
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