“StarTech.com USB to Serial Adapter – 2 Port – Wall Mount – Din Rail Clips – Industrial – COM Port Retention – FTDI – DB9 – Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB – USB to Serial – USB to RS232 – USB to DB9 – USB to serial Adapter – USB to serial port ADAPTER HUB W/ COM RETENTION” has been added to your cart. View cart