Masibus Manufacturer of The mUSB232 & mUSB485 which is a family of communication devices. The USB media converters provide a simple method of adapting Industrial and commercial serial devices with RS232/485 interface to modern USB ports. Each media converters contains a small electronic circuit board mounted inside a rugged plastic enclosure capable of withstanding industrial temperature ranges. The integrated electronics also include RS232/RS485 level shifters and Tx/Rx LEDs to provide a visual indication of data traffic through the media converter.

The Cable incorporates a standard USB-A device connector for connection to an upstream host or hub port. RS232-level signals, including modem handshake signals, are available on an industry standard DE-9P connector cable. The RS232-level data rate range is 300 baud to 1 M baud.