StarTech 4 Port USB to DB9 RS232 Serial Adapter

INDUSTRIAL STRENGTH: Built to withstand harsh environments, this 4 port USB to serial RS232 adapter has a rugged all-metal enclosure for added durability in industrial settings COM RETENTION CAPABILITIES: For added convenience, this FTDI USB to DB9 RS232 hub features COM retention so COM port assignments are maintained during reboots PLUG AND PLAY INSTALLATION: This DB9 serial converter is powered by an available USB port / cable so no external power adapter is required INSTALLATION OPTIONS: This USB serial adapter has integrated wall mount brackets and included DIN Rail clips for versatile mounting options THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty and free lifetime technical support on this USB to serial RS232 adapter and has been the IT pro’s choice since 1985