The ICUSB2324852 2-port, wall-mountable USB (Universal Serial Bus) Serial Adapter lets you connect every type of serial device to your USB (Universal Serial Bus)-enabled computer, whether it be for RS232, RS422, or RS485 communication. The adapter features a 9-pin (DB9) male & a 5-pin terminal block serial connector as well as dipswitch controls for easy port configuration with minimal software requirements. The adapter also supports using 2 ports simultaneously, including with mixed protocols; for example RS-232 on port 1, & RS-485 on port 2, or a number of other combinations. For a convenient, & clean installation in an office or industrial setting, the RS232/RS422/RS485 USB (Universal Serial Bus) Adapter is wall-mountable & fully powered via the host USB (Universal Serial Bus) connection, providing power to the attached serial device without requiring an external power adapter.