USB to RS-232 DB9 Serial Adapter Cables | StarTech.com

Add RS-232 serial communications support to USB-A enabled desktops, laptops, or other data terminal equipment (DTE).
We offer various models including straight-through, null modem (crossover), and dual RS-232 cables in lengths from 1ft (30cm) to 10ft (3m), all with interchangeable nuts and screws for versatile connectivity. All our cables feature LED indicators for monitoring and troubleshooting, FTDI chipset for broad compatibility with automatic driver installation, and COM retention for consistent port assignment. The one-piece molded TPE housing has level 4 ESD-protection, internal copper shielding and gold-plated connectors to minimize EMI and improve electrical conductivity.
We also offer USB to dual RS-232 cables with mounting brackets, for added functionality.

Key Features:
1.     Interchangeable nuts and screws
2.     LED Indicators (USB, Transmit and Receive)
3.     COM retention
4.     Broad OS compatibility (Windows, macOS, ChromeOS, Linux)
5.     Automatic driver installation on Windows 7+, macOS 10.15+, and Linux
6.     ESD protection (15kV air/8kV contact)
7.     1ft, 3ft, 6ft, and 10ft options

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THE IT PRO'S CHOICE: Designed and built for IT Professionals, our USB to serial adapter cables are backed for 2-years, including free lifetime 24/5 multi-lingual technical assistance.