The Advantech BB-232LPTTL is a RS232/TTL converter with two RS232 ports and an I/O port. It measures 52.9x33.3x17.4mm and is designed to convert digital signals from RS232 to TTL and vice versa. The device is ideal for communication between an embedded system and a computer through RS232 serial interface, and applications such as motor control and serial data conversion. The BB-232LPTTL is a versatile converter with a wide range of features, including fast switchover, 9-bit data format, screw-type terminal blocks, and short-circuit protection. It also supports various operating systems, including Windows, Linux, and macOS.