COM-4CX-USB Serial Communication USB I/O Unit RS-232C 4ch - X Series

• Overview / Features
• Specifications
• Ordering Information
• Support / Downloads

Overview / Features

This product is an USB2.0-compliant unit designed for extending RS-232C compatible serial communication functionality on your PC. This product supports a baud rate of up to 921,600bps and has separate 128-byte / 384-byte buffer memory for transmit and receive. It also comes with a Windows driver, which allows products to be used as OS-standard COM ports.

• Max. 921,600bps RS-232C Serial Communication)

  • This product has 4 port RS-232C-standard serial ports. Baud rates from 300 to 921,600bps can be set for each port. When using the bundled 'Standard COM Driver Software', baud rates from 300 to 921,600bps can be set. When data is transferred at the high speed, it may not be transferred normally, depending on the use environment such as the external device and cable length used.
• Possibly used as Windows-standard COM ports, using the bundled driver library

  • Comes with a driver software that allows the boards to be used under Windows in the same way as COM ports on the PC. It supports to use under Windows-standard Win32 API communication function, Visual Basic MSComm or .NET Framework 2.0 SerialPoart class.
• Each channel is equipped with separate 128-byte / 384-byte FIFO buffers for transmit and receive.

  • These are FIFO format, useful for high speed communications and to reduce the load to the CPU when transmitting/receiving.
• Compatible to USB1.1/USB2.0

  • Compatible to USB1.1/USB2.0 and capable to achieve high speed transfer at Full Speed (12 Mbps).
• USB HUB function

  • This product has the USB HUB function. Max. 4 COM-4CX-USB can be used in 1 USB port of PC. When you use 4 or more COM-4CX-USB, you can do by connecting COM-4CX-USB to the another USB port of PC side. Also, you can connect the CONTEC's USB device other than COM-4CX-USB to the USB port of COM-4CX-USB.