TRENDnet TU-S9 USB to Serial Data Transfer Cable, RS-232 Serial to USB 2.0 Converter, Windows & Mac Compatible, NDAA Compliant, 2.7ft Flexible Cable - TUS9 (2 Year Warranty)

TRENDnet TU-S9 USB to RS-232 serial converter cable showing both USB and DB-9 connectors against white background-alternate-image1
Comparison chart showing specifications of different TRENDnet RS-232 serial converters including TU-S4, TU-S9E, and TU-S9-alternate-image2
Diagram showing TU-S9 cable connection between a modem and laptop with labeled ports-alternate-image3
Close-up view of the USB Type-A connector of TRENDnet TU-S9 converter-alternate-image4
Full-length view of the TRENDnet TU-S9 cable showing flexibility and reach-alternate-image5
Detailed view of the DB-9 RS-232 connector showing metal construction and mounting screws-alternate-image6
Cross-section diagram of cable showing internal construction and shielding layers-alternate-image7
Operating system compatibility chart showing Windows and Mac OS support-alternate-image8
Icon set showing various compatible RS-232 devices including modems, printers, and POS systems-alternate-image9
Diagram showing USB to RS-232 conversion with connector icons-alternate-image10
RS-232 port compatibility diagram showing different retention mechanisms-alternate-image11
Illustration showing USB power delivery feature with no external power requirement-alternate-image12
TRENDnet TU-S9 USB to RS-232 serial converter cable showing both USB and DB-9 connectors against white background-alternate-image1
Comparison chart showing specifications of different TRENDnet RS-232 serial converters including TU-S4, TU-S9E, and TU-S9-alternate-image2
Diagram showing TU-S9 cable connection between a modem and laptop with labeled ports-alternate-image3
Close-up view of the USB Type-A connector of TRENDnet TU-S9 converter-alternate-image4
Full-length view of the TRENDnet TU-S9 cable showing flexibility and reach-alternate-image5
Detailed view of the DB-9 RS-232 connector showing metal construction and mounting screws-alternate-image6
Cross-section diagram of cable showing internal construction and shielding layers-alternate-image7
Operating system compatibility chart showing Windows and Mac OS support-alternate-image8
Icon set showing various compatible RS-232 devices including modems, printers, and POS systems-alternate-image9
Diagram showing USB to RS-232 conversion with connector icons-alternate-image10
RS-232 port compatibility diagram showing different retention mechanisms-alternate-image11
Illustration showing USB power delivery feature with no external power requirement-alternate-image12
TRENDnet TU-S9 USB to RS-232 serial converter cable showing both USB and DB-9 connectors against white background-alternate-image1
Comparison chart showing specifications of different TRENDnet RS-232 serial converters including TU-S4, TU-S9E, and TU-S9-alternate-image2
Diagram showing TU-S9 cable connection between a modem and laptop with labeled ports-alternate-image3
Close-up view of the USB Type-A connector of TRENDnet TU-S9 converter-alternate-image4
Full-length view of the TRENDnet TU-S9 cable showing flexibility and reach-alternate-image5
Detailed view of the DB-9 RS-232 connector showing metal construction and mounting screws-alternate-image6
Cross-section diagram of cable showing internal construction and shielding layers-alternate-image7
Operating system compatibility chart showing Windows and Mac OS support-alternate-image8
Icon set showing various compatible RS-232 devices including modems, printers, and POS systems-alternate-image9
Diagram showing USB to RS-232 conversion with connector icons-alternate-image10
RS-232 port compatibility diagram showing different retention mechanisms-alternate-image11
Illustration showing USB power delivery feature with no external power requirement-alternate-image12
TRENDnet TU-S9 USB to Serial Data Transfer Cable, RS-232 ...
TRENDnet TU-S9 USB to RS-232 serial converter cable showing both USB and DB-9 connectors against white background-alternate-image1
Comparison chart showing specifications of different TRENDnet RS-232 serial converters including TU-S4, TU-S9E, and TU-S9-alternate-image2
Diagram showing TU-S9 cable connection between a modem and laptop with labeled ports-alternate-image3
Close-up view of the USB Type-A connector of TRENDnet TU-S9 converter-alternate-image4
Full-length view of the TRENDnet TU-S9 cable showing flexibility and reach-alternate-image5
Detailed view of the DB-9 RS-232 connector showing metal construction and mounting screws-alternate-image6
Cross-section diagram of cable showing internal construction and shielding layers-alternate-image7
Operating system compatibility chart showing Windows and Mac OS support-alternate-image8
Icon set showing various compatible RS-232 devices including modems, printers, and POS systems-alternate-image9
Diagram showing USB to RS-232 conversion with connector icons-alternate-image10
RS-232 port compatibility diagram showing different retention mechanisms-alternate-image11
Illustration showing USB power delivery feature with no external power requirement-alternate-image12

TRENDnet TU-S9 USB to Serial Data Transfer Cable, RS-232 Serial to USB 2.0 Converter, Windows & Mac Compatible, NDAA Compliant, 2.7ft Flexible Cable - TUS9 (2 Year Warranty)

TRENDnet TU-S9

$28.49
Brand New
Availability: In stock , ready to be shipped .
  • Free Shipping
  • 2 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Length:

  • 2.72
  • 10ft

Product Key Features

  • 🔌 Compatible with USB 1.1, 2.0, and 3.0 ports
  • 💻 Supports Windows 10, 8.1, 8, 7 and Mac OS 10.6-10.11
  • 📏 25-inch total cable length (21" USB + RS-232 section)
  • 🔄 Full RS-232 modem control signals support
  • ⚡ Bus-powered - no external adapter needed
  • 🛡️ FCC and CE certified
  • 🔒 NDAA compliant
  • ⏳ 2-year warranty coverage
  • 🔌 DB-9 RS-232 Serial (Male) to USB Type A (Male) connection
  • 🛠️ Plug & Play with easy installation
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TRENDnet TU-S9 USB to Serial Data Transfer Cable, RS-232 Serial to USB 2.0 Converter, Windows & Mac Compatible, NDAA Compliant, 2.7ft Flexible Cable - TUS9 (2 Year Warranty)

This item: TRENDnet TU-S9 USB to Serial Data Transfer Cable, RS-232 ...

$28.49

Total price: $28.49
  • Description
  • Tech Specs
  • Refund Policy

TRENDnet

TU-S9

TRENDnet TU-S9 USB to Serial Converter Cable - Connect RS-232 Devices to Modern USB Ports

Transform your modern USB port into a legacy RS-232 serial connection with the TRENDnet TU-S9 USB to Serial Converter Cable. This versatile adapter bridges the gap between contemporary USB interfaces and traditional serial devices, supporting USB 1.1 while maintaining compatibility with USB 2.0 and 3.0 ports.

Universal Compatibility and Flexible Connectivity

The TU-S9 features a generous 25-inch total cable length, combining a flexible 540mm (21-inch) USB cable with an RS-232 9-pin connector. This extended reach ensures comfortable connectivity for various installation scenarios, whether connecting modems, printers, or network switches.

Comprehensive Operating System Support

  • Windows compatibility: Windows 10, 8.1, 8, and 7
  • Mac OS support: versions 10.11, 10.10, 10.9, 10.8, 10.7, and 10.6

Advanced Technical Specifications

  • Full RS-232 modem control signals support
  • Complete data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
  • Bus-powered operation - no external power adapter needed
  • Maximum power consumption: 500mA
  • USB suspend condition detection

Physical Specifications and Certifications

  • Compact dimensions: 0.6" x 1.3" x 2"
  • Lightweight design: 0.17 lb
  • FCC and CE certified
  • NDAA compliant
  • 2-year limited warranty

Package Contents

  • TU-S9 USB to Serial Converter Cable
  • Quick Installation Guide
  • CD-ROM with device drivers
TRENDnet TU-S9 USB to RS-232 serial converter cable showing both USB and DB-9 connectors against white background

Bridge Legacy and Modern Technology with Precision

The TRENDnet TU-S9 seamlessly connects RS-232 serial devices to modern USB ports, enabling reliable data communication between legacy and contemporary equipment. The high-quality white housing and robust construction ensure durability while maintaining professional aesthetics.

Technical Specifications

  • Male DB-9 RS-232 serial connector with secure mounting screws
  • USB 1.1 interface with USB 2.0/3.0 compatibility
  • 25-inch total cable length for flexible installation

Applications

  • Connecting legacy industrial equipment to modern computers
  • Maintaining communication with serial-based network devices
  • Integrating older modems and printers with current systems
Comparison chart showing specifications of different TRENDnet RS-232 serial converters including TU-S4, TU-S9E, and TU-S9

Complete RS-232 Serial Connectivity Solution

A comprehensive comparison chart showcases the TU-S9 alongside other TRENDnet serial converter solutions. The detailed specifications highlight the adapter's capabilities, making it easy to select the right model for specific connectivity needs.

Technical Specifications

  • Data transfer rates up to 6Mbps
  • Full Windows and Mac OS compatibility
  • Single RS-232 port configuration

Applications

  • Selecting appropriate converter for system requirements
  • Comparing features across product lineup
  • Planning network infrastructure upgrades
Diagram showing TU-S9 cable connection between a modem and laptop with labeled ports

Intuitive Device Connection Guide

Visual diagram demonstrates the straightforward connection process between RS-232 devices and modern computers. Clear labeling and port identification ensure proper setup every time.

Technical Specifications

  • Plug-and-play connectivity
  • Bi-directional data transfer support
  • Standard DB-9 pin configuration

Applications

  • Quick installation reference
  • System integration planning
  • Technical documentation
Close-up view of the USB Type-A connector of TRENDnet TU-S9 converter

Enhanced USB Connector Design

Close-up detail of the USB connector shows the precision engineering behind the TU-S9. The robust USB Type-A connector ensures stable connectivity and reliable data transfer.

Technical Specifications

  • Gold-plated USB contacts
  • Reinforced connector housing
  • Strain relief design

Applications

  • High-reliability data connections
  • Frequent connect/disconnect scenarios
  • Industrial environment applications
Full-length view of the TRENDnet TU-S9 cable showing flexibility and reach

Flexible Cable Management Solution

The extended cable length provides installation flexibility while maintaining signal integrity. The white cable design integrates seamlessly into professional environments.

Technical Specifications

  • 25-inch total cable length
  • Flexible PVC jacket
  • EMI/RFI shielding

Applications

  • Workstation setup optimization
  • Server room installations
  • Equipment rack organization
Detailed view of the DB-9 RS-232 connector showing metal construction and mounting screws

Professional-Grade RS-232 Interface

The DB-9 connector features precision engineering with durable metal housing and secure mounting points. Built for reliable long-term performance in professional environments.

Technical Specifications

  • 9-pin DB male connector
  • Metal shield housing
  • Threaded mounting points

Applications

  • Industrial equipment connections
  • Secure cable mounting
  • Mission-critical systems
Cross-section diagram of cable showing internal construction and shielding layers

Advanced Cable Architecture

Internal cable construction reveals multiple layers of protection and signal optimization. Shielded design ensures reliable data transfer even in electrically noisy environments.

Technical Specifications

  • Multi-layer shielding design
  • High-speed signal conductors
  • Interference protection

Applications

  • Industrial environments
  • High-EMI areas
  • Critical data transmission
Operating system compatibility chart showing Windows and Mac OS support

Broad Operating System Support

Comprehensive OS compatibility ensures seamless integration across different computing platforms. Supporting both Windows and Mac environments makes it ideal for mixed-system operations.

Technical Specifications

  • Windows 11/10/8.1/8/7 support
  • Mac OS 10.6-10.11 compatibility
  • Automatic driver installation

Applications

  • Cross-platform environments
  • IT department deployments
  • System integration projects
Icon set showing various compatible RS-232 devices including modems, printers, and POS systems

Universal Device Compatibility

Wide-ranging compatibility with RS-232 devices including modems, gateways, printers, PLC controllers, and POS systems. Ideal for maintaining connectivity with essential legacy equipment.

Technical Specifications

  • Multi-device compatibility
  • Standard RS-232 protocol support
  • Universal connection standard

Applications

  • POS system integration
  • Industrial control systems
  • Legacy printer connections
Diagram showing USB to RS-232 conversion with connector icons

Streamlined Connectivity Solution

The converter provides a direct path between USB and RS-232 protocols, eliminating the complexity of legacy device integration. Simple yet powerful interface conversion for modern systems.

Technical Specifications

  • Direct protocol conversion
  • No additional adapters needed
  • Full signal support

Applications

  • Direct device connections
  • System modernization
  • Equipment upgrades
RS-232 port compatibility diagram showing different retention mechanisms

Port Compatibility Guide

Detailed compatibility information for various RS-232 port configurations ensures proper connection. Clear visual guide prevents connection issues with different retention mechanisms.

Technical Specifications

  • Multiple port style support
  • Retention mechanism compatibility
  • Secure connection options

Applications

  • Equipment compatibility verification
  • Installation planning
  • Technical support reference
Illustration showing USB power delivery feature with no external power requirement

USB Power Efficiency

Bus-powered design eliminates the need for external power supplies, offering a clean, efficient solution. Drawing power directly from the USB port simplifies installation and reduces cable clutter.

Technical Specifications

  • Bus-powered operation
  • 500mA power consumption
  • No external adapter needed

Applications

  • Clean installation setups
  • Mobile computing solutions
  • Space-constrained environments
Return Policy Time to Return
Standard Return Policy We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns.
Replacement Only Return Policy Replacement within 30 days of the delivery date.
Manufacturer Only Return Policy Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.
FAQ
The TRENDnet TU-S9 is a USB to Serial Converter Cable that allows you to connect RS-232 serial devices (such as modems, printers, or network switches) to a USB port on your computer. It bridges the gap between modern USB ports and legacy RS-232 serial devices, making it possible to use older serial equipment with contemporary computers that typically only have USB ports.
The TU-S9 is compatible with both Windows and Mac operating systems. Specifically, it supports Windows 10, 8.1, 8, and 7, as well as Mac OS versions 10.11, 10.10, 10.9, 10.8, 10.7, and 10.6. The device comes with a CD-ROM containing necessary drivers for easy installation.
The TU-S9 features an integrated flexible cable that's 540mm (21 inches) long, with a total length of 25 inches including both connectors. It has a USB 1.1 Type A male connector on one end and a DB-9 RS-232 Serial male connector on the other end. The cable uses copper conductors and is designed to accommodate most installation scenarios.
The TU-S9 supports USB 1.1 natively and is backward compatible with USB 2.0 and USB 3.0 ports. This ensures broad compatibility with virtually any modern computer's USB port while maintaining reliable data transfer for RS-232 serial communications.
The TU-S9 package includes three main components: the TU-S9 USB to Serial Converter Cable itself, a Quick Installation Guide for setup assistance, and a CD-ROM containing the necessary device drivers for proper operation.
The TU-S9 is bus-powered, meaning it draws power directly from the USB port and requires no external power adapter. It has a maximum power consumption of 500mA and features USB suspend condition detection. This makes it a convenient plug-and-play solution without the need for additional power sources.
The TU-S9 supports full RS-232 modem control signals and data signals, including TxD (Transmit Data), RxD (Receive Data), RTS (Request to Send), CTS (Clear to Send), DSR (Data Set Ready), DTR (Data Terminal Ready), DCD (Data Carrier Detect), RI (Ring Indicator), and GND (Ground).
The TU-S9 is FCC and CE certified, ensuring it meets important safety and electromagnetic compatibility standards. It comes with a 2-year limited warranty from TRENDnet. Additionally, the device is NDAA compliant, making it suitable for government and institutional use.

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