The ICUSB232IS Industrial USB (Universal Serial Bus) to Serial Adapter lets you add an optically isolated RS232 serial port with ESD protection through a USB (Universal Serial Bus) port & offers a durable DIN Rail-mountable design. Ideal for industrial environments, the USB (Universal Serial Bus) serial adapter features an integrated 5KV optical isolation circuit & 15KV ESD protection, to protect costly & often sensitive control equipment against electrical damage. An extended operating temperature range (-30°C to 75°C) also helps to ensure performance in harsh environments. For fast communication with serial peripherals, the adapter features an integrated FTDI chipset, supporting baud rates up to 921 Kbps. The adapter also features COM retention that automatically retains COM Port assignments, even through a reboot. The ICUSB232IS serial adapter is compatible with Windows, Windows CE, Mac OS & Linux which makes it easy to integrate into mixed environments. Backed by a Star Tech.com 2-year warranty & free lifetime technical support. The Star Tech.com Advantage Protect sensitive industrial equipment with integrated circuit isolation & ESD protection Communicate efficiently with connected devices with high-speed 921 Kbps support Operate under harsh industrial conditions with an extended operating temperature rang