USB-4COM

The USB-4COM is an USB to Serial Interface Converter connects four classic serial devices with RS232 or RS422/RS485 to USB port. The high speed serial port with the 128-byte FIFO allows high speed communication, even in heavy loaded systems. It features reduce the system load and allows unusual speed settings like 500bps. Serial ports on USB allow further use of existing devices, even when the computer doesn't offer serial ports.

• USB-to-RS232 and USB-to-RS422/485 converters
• RS422/485 models with isolation
• Rates up to 921.6kbps
• Send and receive FIFO
• USB 1.1 Compatible
• 4 x RS232 DB9 Male port
• No external power supply