Close-up view of StarTech.com USB to DB9 RS232 serial adapter cable showing both connector ends

Industrial-Grade USB to Serial Connectivity

This high-performance adapter features a robust USB Type-A connector paired with a DB9 RS232 serial port, delivering reliable data transfer at speeds up to 921.6 kbps. The durable construction with strain relief and gold-plated contacts ensures consistent connectivity in demanding environments.

Technical Specifications

  • USB 2.0 Type-A male to DB9 RS232 male connectors
  • Gold-plated contacts for optimal signal integrity
  • Integrated strain relief for cable durability

Applications

  • Industrial equipment control and monitoring
  • Legacy serial device integration
  • Manufacturing system connectivity
Detailed view of USB and DB9 serial connector ends showing construction quality

Enhanced Connector Design for Maximum Reliability

The adapter's connectors feature precision-engineered housings with reinforced strain relief and secure mounting points. The USB Type-A connector includes standard USB protocol markings while the DB9 end incorporates threaded nuts for secure attachment to serial devices.

Technical Specifications

  • Reinforced connector housings for durability
  • Threaded mounting points on DB9 connector
  • Yellow strain relief indicators for easy identification

Applications

  • Secure equipment connections in vibration-prone environments
  • Long-term installations requiring mechanical stability
  • Mission-critical serial device interfaces
Close-up macro shot of DB9 serial port and USB connector showing pin detail

Precision-Engineered Port Construction

The DB9 serial port features a robust metal shield and gold-plated pins for optimal signal integrity. The carefully designed pin layout ensures perfect alignment with standard RS232 equipment, while the metal housing provides EMI protection and structural stability.

Technical Specifications

  • Gold-plated DB9 pins for reliable connections
  • Metal-shielded housing for EMI protection
  • Precision-aligned pin configuration

Applications

  • High-reliability industrial communications
  • Sensitive measurement equipment connections
  • EMI-sensitive environment deployments
Full length view of USB to serial adapter cable showing cable flexibility

Extended Reach Cable Solution

The 3ft (91cm) cable length provides flexible installation options while maintaining signal integrity. The durable jacket and internal shielding protect against interference and physical stress, making it ideal for both mobile and fixed installations.

Technical Specifications

  • 3ft (91cm) total cable length
  • Shielded cable construction
  • Flexible yet durable jacket material

Applications

  • Rack-mounted equipment connections
  • Mobile diagnostic setups
  • Workbench testing configurations
USB to serial adapter shown in use with laptop and network equipment

IT Infrastructure Integration

Designed for seamless integration with existing IT infrastructure, this adapter enables modern laptops to interface with legacy serial equipment. The setup shows practical deployment in a server rack environment, demonstrating its utility in real-world IT scenarios.

Technical Specifications

  • Compatible with standard rack equipment
  • Supports server administration tasks
  • Professional-grade build quality

Applications

  • Server room management
  • Network equipment configuration
  • Infrastructure maintenance
Comparison chart showing StarTech.com advantages versus consumer brands

Enterprise-Class Reliability Features

StarTech.com's enterprise advantages include comprehensive testing, professional certification, and dedicated IT support. This comparison highlights the key differentiators that make this adapter suitable for business-critical applications.

Technical Specifications

  • Rigorous quality testing protocols
  • Professional certification standards
  • 24/5 technical support availability

Applications

  • Enterprise deployment scenarios
  • Mission-critical installations
  • Professional IT environments
Technical diagram showing adapter specifications and features

High-Performance Technical Design

The adapter combines extended cable length with high-speed data transfer capabilities. The technical diagram highlights key features including the RS232 DB9 port specifications and USB connectivity options, demonstrating its versatility in professional applications.

Technical Specifications

  • 480Mbps USB 2.0 interface
  • RS232 DB9 serial compatibility
  • Secure screw-lock connection system

Applications

  • Data acquisition systems
  • Industrial control interfaces
  • Scientific equipment connectivity
Device compatibility icons showing supported equipment types

Multi-Device Compatibility

This adapter supports a wide range of serial devices commonly used in professional environments. From barcode scanners to medical equipment, its versatile design ensures compatibility with essential business and industrial hardware.

Technical Specifications

  • Universal serial device support
  • Multi-industry compatibility
  • Broad operating system support

Applications

  • Point-of-sale system integration
  • Medical device connectivity
  • Industrial equipment interfacing
Technical specifications diagram with detailed feature list

Advanced Technical Specifications

The adapter features comprehensive technical capabilities including multiple parity modes and data bit options. Built around the reliable Prolific PL2303 chipset, it delivers consistent performance across various operating systems and applications.

Technical Specifications

  • 921.6 Kbps maximum baud rate
  • 512 Byte FIFO buffer
  • Multiple parity mode support

Applications

  • Custom serial communications
  • Legacy system integration
  • Specialized equipment interfacing
Demonstration of adapter connecting modern laptop to legacy hardware

Legacy Hardware Integration

Enable seamless connection between modern computing systems and legacy serial devices. The adapter bridges the technology gap, allowing organizations to maintain valuable legacy equipment while upgrading their primary computing infrastructure.

Technical Specifications

  • Cross-generation compatibility
  • Modern USB 2.0 interface
  • Legacy RS232 support

Applications

  • Equipment modernization projects
  • Legacy system maintenance
  • Mixed-technology environments
Technical drawing showing precise product dimensions and specifications

Precise Engineering Specifications

The detailed dimensional drawing provides exact measurements for integration planning. Each aspect of the adapter is precisely engineered to meet professional installation requirements while maintaining compatibility with standard USB and serial port specifications.

Technical Specifications

  • 36±1.2" (914.4±30mm) total length
  • 2.3" (58.3mm) connector depth
  • Standard USB and DB9 form factors

Applications

  • Custom installation planning
  • Equipment rack integration
  • Space-constrained deployments

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

1P3FP-USB-SERIAL

Brand Name

StarTech.com

Product Name

USB to Serial Adapter

Packaged Quantity

1

Product Type

Data Transfer Adapter

Technical Information
Connector Type on First End

USB 2.0 Type A - Male

Connector Gender on First End

Male

Connector on First End Details

1 x USB 2.0 Type A - Male

Connector Type on Second End

DB-9 RS-232 Serial - Male

Connector Gender on Second End

Male

Connector on Second End Details

1 x 9-pin DB-9 RS-232 Serial - Male

Features

Screw Lock

Cable Length

3 ft

Miscellaneous
Country of Origin

China

Warranty
Limited Warranty

3 Year

Included in the Box

  • icon_list|Main unit|Lift Ergo Mouse Main unit icon

    USB Serial Adapter - Main unit

FAQs

What is the StarTech.com 1P3FP-USB-SERIAL adapter and what is its main purpose?
The StarTech.com 1P3FP-USB-SERIAL is a USB to Serial adapter that converts a USB Type-A port to an RS-232 DB9 serial COM port. Its primary purpose is to enable communication between modern computers and legacy serial peripheral devices. With a data transfer rate of up to 921.6 kbps, it's ideal for IT industry, point of sale systems, industrial applications, AV equipment, and office setups.
What are the connector types on this adapter?
This adapter features two different connector types: On one end, it has a USB 2.0 Type A male connector, and on the other end, it has a DB-9 RS-232 Serial male connector. The DB-9 end includes a screw lock feature for secure connections, making it reliable for continuous use in various applications.
What operating systems is this adapter compatible with?
The StarTech.com USB to Serial adapter is compatible with multiple operating systems including Windows, macOS, and Linux, including their latest versions. This wide compatibility ensures it can be used across different platforms and environments, making it a versatile solution for various computing needs.
What is the length of the adapter cable?
The adapter cable is 3 feet (0.91 meters) in length. This length provides sufficient reach for most setup requirements while maintaining signal integrity, making it suitable for connecting devices in typical desktop or industrial environments.
What warranty and support does StarTech.com offer for this adapter?
StarTech.com provides a 3-year limited warranty for the 1P3FP-USB-SERIAL adapter. Additionally, customers receive free lifetime 24/5 multilingual technical assistance, ensuring comprehensive support for any issues or questions that may arise during the product's use.

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