# TRENDnet USB to Serial 9-Pin Converter Cable TU-S9 | 64cm (25 in.) **Brand:** TRENDnet **SKU:** tmh2790 **ASIN:** B0007T27H8 **Canonical URL:** https://crowcrowcrow.com/p/trendnet-usb-serial-9-pin-converter-cable-tu-s9-rs232-adapter-supports-windows-mac-64cm/tmh2790 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹1,803 **Discount:** 16% **Customer rating:** 4.60/5 from 3,199 ratings ## Description TRENDnet TU-S9 USB to Serial 9-Pin Converter Cable (64cm/25 in.) connects RS-232 devices to USB ports. Supports Windows/Mac, USB 1.1-3.0, and 6Mbps data rate. NDAA compliant for government use. Plug & Play setup. ## Highlights - Connect Legacy Devices via USB — Easily link RS-232 serial devices like modems, printers, or POS systems to your computer's USB port, bridging the gap between older and newer technology for seamless integration. - Broad OS & USB Compatibility — Works with Windows (10, 8.1, 8, 7) and Mac OS (10.6-10.11), supporting USB 1.1, 2.0, and 3.0 ports for versatile connectivity across different computing environments. - NDAA Compliant for Government — Meets NDAA compliance standards, ensuring suitability for government and sensitive networking solutions in the U.S. and Canada, adhering to regulatory demands. - Plug & Play Simplicity — Installs in seconds with no complex drivers needed for basic functionality, allowing quick setup for immediate use with your serial equipment. ## Key features - 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 6Mbps 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 ## Why choose this product **Reliable Connectivity for Critical Systems** — The TRENDnet TU-S9 USB to Serial Converter ensures your essential RS-232 devices can communicate with modern computers. Unlike generic adapters, this cable is built for consistent data transfer, supporting up to 6Mbps. Its NDAA compliance offers peace of mind for government and sensitive installations. For Indian users, this means a dependable bridge to legacy hardware, imported directly and cleared with all duties included, ensuring your critical systems remain operational without the hassle of local sourcing uncertainty. **Who Should Use This vs. Who Should Skip** — Ideal for IT professionals, government contractors, and users needing to connect modems, printers, POS systems, or industrial equipment to a USB port. It’s perfect for those requiring a stable, compliant connection for Windows or Mac systems. Skip this if you need a USB-C to Serial adapter; this cable uses a standard USB Type-A connector. Also, if your device requires a specific serial protocol beyond standard RS-232, verify compatibility before purchase. ## How to use 1. Plug the 9-pin RS-232 male connector of the TRENDnet TU-S9 cable firmly into the serial port of your device, such as a modem, printer, or industrial equipment. — Connect the Serial End 2. Insert the USB Type-A end of the cable into an available USB port on your Windows or Mac computer. The adapter should be recognized automatically for Plug & Play setup. — Connect the USB End 3. While often Plug & Play, if prompted, install the drivers from the included CD-ROM or download them from TRENDnet's support site for your specific operating system (Windows/Mac). — Install Drivers (If Necessary) 4. Open your device's management software or terminal program and confirm that the serial port (e.g., COM1, COM3) is recognized and communicating with the connected device. — Verify Connection ## Product details | Field | Value | |---|---| | USB Standard Supported | USB 1.1, 2.0, 3.0 | | Data Transfer Rate | 6Mbps | | Serial Connector Type | RS-232 (9-Pin) | | USB Connector Type | USB Type-A | | Supported Operating Systems | Windows (10, 8.1, 8, 7), Mac OS (10.6-10.11) | | Compatible Devices | Modems, Printers, POS systems, PLC controllers, Gateways, Serial Devices | | Installation | Plug & Play | | Warranty | 2-Year Manufacturer Protection | | Brand | TRENDnet | | Model Number | TU-S9 | | Color | White | | Material | Rubber/Plastic | | Cable Length | 64 cm (25 in.) | | Item Weight | 40 grams | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How can I connect my old serial devices to a new computer in India? You can connect your RS-232 serial devices to a modern USB port using the TRENDnet TU-S9 USB to Serial Converter Cable. This cable is imported directly from authorized US retailers, ensuring authenticity and compliance. It supports Windows and Mac, offers Plug & Play setup, and all customs duties are included in the price. ### Is this USB to Serial adapter compatible with my Windows 10 laptop? Yes, the TRENDnet TU-S9 USB to Serial Converter is fully compatible with Windows 10, as well as Windows 8.1, 8, and 7. It also supports various Mac OS versions, ensuring broad usability for connecting your serial devices. ### What is the cable length and data transfer rate of this USB to Serial adapter? The TRENDnet TU-S9 features an integrated, flexible cable measuring 64 cm (25 inches) in total length. It supports a data transfer rate of up to 6Mbps, providing efficient communication for your connected serial devices. ### Can I use this serial to USB converter for government projects in India? The TRENDnet TU-S9 is NDAA compliant, making it suitable for government customers in the U.S. and Canada. While this compliance is specific to those regions, the cable's reliability and Plug & Play functionality make it a solid choice for any secure or critical serial device connection needs in India. ### What devices can I connect using this RS232 to USB adapter? You can connect a wide range of RS-232 serial devices, including modems, printers, POS systems, industrial controllers, and gateways, to your computer's USB port. This adapter bridges the gap between legacy serial hardware and modern USB interfaces. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0007T27H8-0.webp 2. https://images.crowcrowcrow.com/B0007T27H8-3.webp 3. https://images.crowcrowcrow.com/B0007T27H8-6.webp 4. https://images.crowcrowcrow.com/B0007T27H8-9.webp 5. https://images.crowcrowcrow.com/B0007T27H8-12.webp 6. https://images.crowcrowcrow.com/B0007T27H8-15.webp --- Source: https://crowcrowcrow.com/p/trendnet-usb-serial-9-pin-converter-cable-tu-s9-rs232-adapter-supports-windows-mac-64cm/tmh2790 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-15 days. Prices are all-inclusive (duties + GST).