TRENDnet TU-S9 USB to Serial Converter, Version v3.0R

Bring legacy serial devices into modern IT and security environments with the TRENDnet TU-S9 USB to Serial Converter. This compact USB adapter lets you quickly connect RS-232 9-pin equipment—such as access control panels, surveillance DVRs, serial sensors, and industrial modems—to any USB-equipped laptop or desktop, eliminating the need for legacy COM ports. The TU-S9 supports USB 2.0 and is backward compatible with USB 1.1 and forward compatible with USB 3.0 ports, while providing a flexible 540 mm (21 in.) integrated cable for neat installations.

Designed for real-world deployments, the adapter supports Windows and Mac operating systems to streamline IT rollouts and reduce configuration time. NDAA compliance and a 2-year limited warranty make it a reliable choice for security, surveillance, and monitoring projects in both commercial and government settings. Whether integrating serial devices into networking racks, security systems, or industrial controllers, the TRENDnet TU-S9 delivers a cost-effective, low-voltage solution.

Add reliable serial connectivity to your next security or monitoring deployment—order the TRENDnet TU-S9 today to simplify integration and get systems online faster.

• Seamlessly connect legacy RS-232 devices to modern PCs and laptops, enabling quick integration of modems, POS systems, and security hardware
• Broad compatibility with USB 2.0/3.0 ports and Windows/Mac OS minimizes deployment complexity and IT support
• Integrated 540 mm (21 in.) cable plus 9‑pin RS-232 connector for tidy, reliable installations in racks, kiosks, and field sites
• NDAA-compliant design and 2-year warranty provide secure, dependable use in government and enterprise surveillance and monitoring systems
• Plug-and-play setup with simple driver support accelerates commissioning for networking, security, and industrial applications