StarTech. com ICUSB232DB25 3ft USB to Serial Adapter Cable - DB9/DB25 RS232 Converter - Prolific PL2303GC Chipset
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Product Features
Technical Overview
This USB to serial adapter implements a full-featured RS-232 interface through a single USB connection. The Prolific PL2303GC controller provides hardware flow control and supports all standard serial parameters, including data bits (4-8), stop bits (1-2), and parity modes (Odd/Even/Mark/Space/None). The 512-byte FIFO buffer helps maintain data integrity during sustained transfers.
The cable maintains signal integrity across its 3-foot length while remaining flexible for routing in tight spaces. The DB9 connector follows standard RS-232 pinouts, ensuring compatibility with serial devices using DB9 or DB25 interfaces when used with the included adapter.
This section brings together practical product details such as Connector Type on First End, Connector on First End Details, Connector Type on Second End, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This adapter stands out for its professional-grade construction and comprehensive feature set that addresses real-world IT challenges. The combination of robust hardware and extensive compatibility makes it a dependable solution for maintaining legacy equipment.
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 Secure Connections, Broad Device Support.
Secure Connections
Screw-lock nuts on the serial connector prevent accidental disconnection, crucial for equipment in server racks, industrial controls, and medical devices where reliability is paramount.
- Positive locking mechanism
- Vibration resistant
- Industrial-grade retention
Broad Device Support
Compatible with a wide range of serial devices including barcode scanners, network switches, receipt printers, PLCs, oscilloscopes, and laboratory equipment.
- Legacy hardware integration
- Modern system compatibility
- Diverse industry applications
Deployment / Use Cases
This USB to serial adapter serves critical functions in environments where legacy serial devices must interface with modern computing infrastructure. IT professionals deploy it to maintain and configure equipment that predates USB connectivity while avoiding costly hardware replacements.
In industrial settings, the adapter connects programmable logic controllers (PLCs) and automation equipment to laptops for programming and monitoring. Retail environments use it with receipt printers and point-of-sale systems, while laboratories connect it to scientific instruments and measurement devices. The adapter also enables configuration of network switches, routers, and other networking equipment that still utilize serial console ports for management.
IT Infrastructure Management
Configure and monitor network equipment, servers, and storage devices through serial console ports when graphical interfaces are unavailable or impractical.
Industrial Maintenance
Program and troubleshoot PLCs, motor controllers, and automation systems using standard serial protocols without requiring dedicated programming hardware.
Physical Profile
The adapter cable features a durable gray PVC jacket that resists abrasion and maintains flexibility. Weighing just 2.60 ounces (73.71 grams), it adds minimal bulk to laptop bags or toolkits while providing sufficient length for most desktop and rack-mounted applications. The compact DB9 connector design allows access to crowded port clusters without interfering with adjacent connections.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 2.60 oz (73.71 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Weight
- 2.60 oz (73.71 g)
What's in the Box
The package includes everything needed for immediate deployment of serial devices with USB-equipped computers.
Highlights
- Connect RS232 DB9 or DB25 devices to USB 2.0 ports
- 3-foot cable length provides flexible positioning
- Prolific PL2303GC chipset ensures reliable data transfer
- Supports baud rates up to 230.4 Kbps
- Cross-platform compatibility with Windows, macOS, and Linux
- Screw-lock nuts secure connection to serial devices
- Includes DB9 to DB25 adapter for dual compatibility
- 2-year warranty with lifetime technical support
- EU RoHS compliant for environmental safety
- Gray color coordinates with professional equipment
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ICUSB232DB25 |
| Brand Name | StarTech.com |
| Product Name | USB to RS232 DB9/DB25 Serial Adapter Cable - M/M |
| Packaged Quantity | 1 Each |
| Product Type | Data Transfer Adapter |
| Technical Information | |
| Connector Type on First End | DB-9 RS-232 Serial - Male |
| Connector on First End Details | 1 x 9-pin DB-9 RS-232 Serial - Male |
| Connector Type on Second End | USB 2.0 Type A - Male |
| Connector on Second End Details | 1 x USB 2.0 Type A - Male |
| Physical Characteristics | |
| Color Family | Gray |
| Product Color | Gray |
| Weight (Approximate) | 2.60 oz (73.71 g) |
| Miscellaneous | |
| Package Contents | USB to RS232 DB9/DB25 Serial Adapter Cable - M/M DB9 to DB25 pin Adapter |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What types of devices can I connect with this USB to serial adapter?
This adapter connects virtually any RS-232 serial device to a computer's USB port. Common applications include barcode scanners, receipt printers, network switches, programmable logic controllers (PLCs), medical devices, laboratory instruments, industrial automation equipment, and legacy point-of-sale systems. The included DB9 to DB25 adapter extends compatibility to devices with either connector type.
What is the maximum data transfer rate this adapter supports?
This USB to serial adapter supports baud rates up to 230.4 Kbps, which covers the full range of standard serial communication speeds. The Prolific PL2303GC chipset implements hardware flow control and includes a 512-byte FIFO buffer to maintain data integrity at higher speeds, making it suitable for both low-speed device control and moderate-speed data transfer applications.
How do I secure the connection to my serial device?
The DB9 connector features screw-lock nuts that thread onto the mating screws of standard DB9 and DB25 serial ports. This positive locking mechanism prevents accidental disconnection due to vibration, cable movement, or incidental contact. The secure connection is particularly valuable in industrial environments, server rooms, and mobile applications where reliability is critical.
Does this adapter work with both DB9 and DB25 serial devices?
Yes, the adapter directly connects to DB9 serial ports and includes a DB9 to DB25 pin adapter in the package. This adapter converts the DB9 connector to a DB25 interface, providing compatibility with devices using either connector standard. The pin adapter maintains proper signal mapping according to RS-232 specifications for reliable communication.
What warranty and support does StarTech.com provide for this product?
StarTech.com backs this USB to Serial Adapter with a 2-year warranty covering defects in materials and workmanship. Additionally, the product includes free lifetime 24/5 multilingual technical assistance, providing expert support for installation, configuration, and troubleshooting. This professional support commitment makes it suitable for business and institutional deployments where downtime must be minimized.
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?
1 x 9-pin DB-9 RS-232 Serial - Male.
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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