Trendnet
TRENDnet USB to Serial 9-Pin Converter Cable TUS9
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- SKU:
- 18386538
- MPN:
- tu-s9
- Availability:
- Usually ships the same or next business day. In stock at our CA, MS, NJ warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 09/23/2026 11:57:34 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $19.30 each 19.3 |
| Buy 3 | and pay only $17.66 each 17.66 |
| Buy 4 | and pay only $16.78 each 16.78 |
| Buy 5 - 8 | and pay only $15.82 each 15.82 |
| Buy 9 or above | and pay only $14.40 each 14.4 |
- Stock Update:
- 09/23/2026 11:57:34 PM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
TRENDnet USB to Serial Converter, Connect a RS-232 Serial Device to a USB 2.0 Port, Easy Installation, Universal Plug & Play, TU-S9- Connect a RS-232 serial device such as a modem to a USB port on your computer
- Easy installation with Universal Plug and Play (UPnP)
- Supports multiple operating systems
- Supports USB 1.1 and compatible with USB 2.0 and USB 3.0 ports.
- Connect RS-232 serial devices such as modems and network switches using the widely supported USB standard found in most laptops and desktops today.
- Product Dimensions: 9 x 7 x 2 inches
- Item Weight: 4 ounces
This USB to Serial converter allows you to connect an RS-232 serial device such as a modem to a USB port on your desktop or laptop.
USB
Supports USB 1.1 and compatible with USB 2.0 and USB 3.0 ports.
RS-232 Serial Connector
Connect RS-232 serial devices such as modems and network switches using the widely supported USB standard found in most laptops and desktops today.
Flexible Cable
Integrated flexible 540 mm (21 in.) USB cable accommodates most installation scenarios.
PACKAGE CONTENTS
TU-S9
Quick Installation Guide
CD-ROM (Drivers)
Features
Package Contents:
China
- TU-S9
- Quick Installation Guide
- CD-ROM (Drivers)
Certifications & Standards:
- FCC
- CE
Additional Information:
- Install as a standard Windows COM port, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
- Supports BUS Power, no External Power Adapter Required
- Supports Plug & Play and Easy Installation
- Detects USB Suspend Condition
- Power Consumption: 500mA (max)
Country of Origin:
China
Specs
| Physical Characteristics | |
| Weight (Approximate) | 0.17 lb |
| Length | 2" |
| Height | 0.6" |
| Width | 1.3" |
| Warranty | |
| Limited Warranty | 2 Year |
| General Information | |
| Brand Name | TRENDnet |
| Manufacturer Website Address | http://www.trendnet.com |
| Marketing Information | USB: The USB to serial adapter supports USB 1.1 and it is compatible with USB 2.0 and USB 3.0 ports with a 1Mbps Data Rate NDAA COMPLIANT: With our NDAA compliant USB to Serial 9-Pin Converter Cable, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only) MANUFACTURER PROTECTION: We stand by the quality of our products.The TU-S9 USB to Serial 9-Pin Converter Cable is backed and supported with 2 years of TRENDnet Manufacturer Protection. RELIABLE TECH SUPPORT: Our team of advisors, support and tech experts are English speaking, and available for all your needs during normal business hours. We take pride in being there for our customers. RS-232 SERIAL CONNECTOR: Connect RS-232 serial devices, such as modems or printers, using the widely supported USB standard found in most laptops and desktops today. SUPPORTED OPERATING SYSTEMS: The USB to serial converter adapter is compatible with Windows and Mac operating systems. Windows 10, 8.1, 8, 7. Mac OS 10.11, 10.10, 10.9, 10.8, 10.7, 10.6 FLEXIBLE CABLE: Integrated and flexible 540mm (21 in.) USB 2.0 cable accommodates most installation scenarios. Total cable length of 25 inches when including the RS-232 (9pin) and USB Type A. EASY SETUP: Simple installation in seconds of the USB to Serial 9-Pin Converter Cable. Insert the your computer More from the Manufacturer |
| Product Type | Data Transfer Cable |
| Product Name | USB to Serial Converter |
| Manufacturer | TRENDnet |
| Manufacturer Part Number | TU-S9 |
| Product Model | TU-S9 |
| Technical Information | |
| Connector on Second End Details | 1 x 9-pin DB-9 RS-232 Serial - Male |
| Cable Type | Serial/USB |
| Connector on First End Details | 1 x 4-pin USB 1.1 Type A - Male |
| Connector Type on First End | USB 1.1 Type A - Male |
| Connector Type on Second End | DB-9 RS-232 Serial - Male |
| Cable Length | 2.72" |
| Conductor | Copper |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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TRENDnet USB to Serial 9-Pin Converter Cable TUS9
$25.76