COM-1(USB)H Serial Communication USB I/O Unit RS-232C 1ch - Micro Converter

  • Limited Stock
  • Standard Warranty1 yr
  • Extended WarrantyAvailable
  • End of Repair Service: 2031/07/08

Check a compatible replacement

* The end of repair date may change depending on the situation.

  • Max. 921,600bps RS-232C Serial Communication
  • Compatible to USB2.0/USB1.1 and not necessary to power this product externally as the bus power is used
  • Up to 127 converters can be installed on a single PC
  • Equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes
  • Equipped with 9-pin D-SUB connector for direct connections to devices such as modems
  • The control line for RS-232C can be controlled and monitored by software
  • *
    For details about an extended warranty, please contact us

Overview / Features

These products are an isolated micro converter for converting the USB port of PC into RS-232C serial communications. The COM-1(USB)H has one RS-232C-standard COM port channel. These products support a baud rate of up to 921,600bps and has separate 128-byte / 384-byte buffer memory for transmit and receive. Windows/Linux device driver is supported with this product.

  • Max. 921,600bps RS-232C Serial Communication
    • The COM ports of this product support up to 921,600 bps. The COM-1(USB)H has one RS-232C-standard COM port channel.
  • Compatible to USB2.0/USB1.1 and not necessary to power this product externally as the bus power is used
    • Compatible to USB2.0/USB1.1 and capable to achieve high speed transfer at Full Speed (12Mbps). Not necessary to power this product externally as the bus power of USB is used.
  • Up to 127 converters can be installed on a single PC
    • Using a USB hub allows you to install up to 127 converters to a single PC.
  • Equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes
    • This product is equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes. These are FIFO format, useful for high speed communications and to reduce the load to the CPU when transmitting/receiving.
  • Equipped with 9-pin D-SUB connector for direct connections to devices such as modems
    • Use of a 9-pin D-SUB connector (female type) allows you to connect it to a device such as a modem directly. It can also be connected to the cable of another 9-pin D-SUB connector (female type), if the gender changer is connected. (*Installed before shipment)
  • The control line for RS-232C can be controlled and monitored by software
    • The control lines for RTS, CTS, DTR and DSR can be controlled and monitored using software.

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