Skip to product information
1 of 12

TRENDnet USB to DB9 RS232 Serial Adapter Cable 25in, Bus-Powered, White – TU-S9

TRENDnet USB to DB9 RS232 Serial Adapter Cable 25in, Bus-Powered, White – TU-S9

Low stock: 5 left

Regular price $34.87
Regular price Sale price $34.87
Sale Sold out
Shipping calculated at checkout.
Quantity

Free shipping across the continental US & free returns

Free Shipping
Free Returns
Secure Checkout
View full details
Total Sale Limited time offer

Description

TRENDnet TU-S9 USB to DB-9 RS232 Serial Adapter Cable 25" White

This is a TRENDnet USB to Serial 9-Pin Converter Cable, model TU-S9, a USB to RS232 Serial Adapter that supports Windows and Mac operating systems, USB 1.1 with compatibility for USB 2.0 and USB 3.0 ports, featuring a 64cm (25 in.) cable length and plug & play functionality. MPN: TU-S9; UPC: 710931303209. It enables connection of RS-232 serial devices like modems, printers, and network switches to modern USB-equipped computers.

Key Features of TRENDnet TU-S9 USB to Serial Converter

  • RS-232 Serial Connectivity – DB-9 male connector for devices such as modems, printers, and network switches.
  • USB Compatibility – Supports USB 1.1 natively and works with USB 2.0/3.0 ports.
  • Operating System Support – Compatible with Windows 10, 8.1, 8, 7 and Mac OS 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
  • Flexible Cable Design – Integrated 540mm (21 in.) flexible USB 2.0 cable; total length 64cm (25 in.) including RS-232 and USB Type A ends.
  • Full RS-232 Modem Control – Supports data signals TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND.
  • Bus Powered Operation – No external power adapter required; detects USB suspend condition; max power consumption 500mA.
  • Plug & Play Installation – Installs as standard Windows COM port; includes drivers on CD-ROM.
  • Compact Build – White color; copper conductors for reliable data transfer.

Comprehensive Technical Specifications

Specification Details
Manufacturer TRENDnet
Brand Name TRENDnet
Product Model TU-S9
Product Name USB to Serial Converter
Product Type Data Transfer Cable
Cable Type Serial/USB
Total Cable Length 64cm (25 in.)
USB Cable Length 540mm (21 in.) flexible
Connector Type on First End USB 1.1 Type A - Male
Connector Details First End 1 x 4-pin USB 1.1 Type A - Male
Connector Type on Second End DB-9 RS-232 Serial - Male
Connector Details Second End 1 x 9-pin DB-9 RS-232 Serial - Male
Conductor Copper
Height 0.6 in. (15 mm)
Width 1.3 in. (33 mm)
Length 2 in. (converter body)
Weight (Approximate) 0.17 lb
Color White
Supported USB Standards USB 1.1; compatible with USB 2.0, USB 3.0
Supported OS - Windows 10, 8.1, 8, 7
Supported OS - Mac 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
Power Source USB Bus Powered
Power Consumption 500mA (max)
RS-232 Signals TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
Certifications & Standards FCC, CE
Country of Origin China
MPN TU-S9
UPC 710931303209

Easy Installation Guide for TRENDnet TU-S9

Plug & play setup completes in seconds for supported systems; drivers available on included CD-ROM.

  1. Insert USB end into computer port.
  2. Device installs as standard COM port automatically.
  3. For legacy OS, run drivers from CD-ROM if prompted.
  4. Connect DB-9 end to serial device.
  5. Pro tip: Verify COM port assignment in device manager for serial applications.

Package Contents

  • TU-S9 USB to Serial 9-Pin Converter Cable
  • Quick Installation Guide
  • CD-ROM (Drivers)

Connect legacy serial devices effortlessly with TRENDnet TU-S9—Order now!

Brand: TRENDnet

Type: Cable

Features: Powered

MPN: TU-S9

Color: White

Compatible Brand: TRENDnet

Compatible Model: TU-S9

Country of Origin: China

Connector A: USB Standard Type A Male

Connector B: Serial (RS-232) Male

Connection Split/Duplication: 1:1

UPC: 710931303209