EarthPeople Technology EPT 232R-US-R1 User Manual

1 meter usb to serial cable

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User Manual EPT USB To Serial 1 Meter Cable
EPT 232R-US-R1
1 Meter USB to Serial Cable
User Manual
1 EPT 232R-US-R1 1 Meter USB to Serial Cable
The EPT 232R-US-R1, provides a simple method of adapting legacy serial devices with RS232
interfaces to modern USB ports.
Each EPT 232R-US-R1 adapter contains a small internal electronic circuit board which utilises
the FTDI FT232R, mounted inside a rugged plastic enclosure capable of withstanding industrial
temperature ranges. The integrated electronics also include RS232 level shifters and TXD/RXD
LEDs to provide a visual indication of data traffic through the adapter.
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 DB9 Male connector. The maximum RS232-level data rate is 1MBaud.
Page 1

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Summary of Contents for EarthPeople Technology EPT 232R-US-R1

  • Page 1 User Manual 1 EPT 232R-US-R1 1 Meter USB to Serial Cable The EPT 232R-US-R1, provides a simple method of adapting legacy serial devices with RS232 interfaces to modern USB ports. Each EPT 232R-US-R1 adapter contains a small internal electronic circuit board which utilises the FTDI FT232R, mounted inside a rugged plastic enclosure capable of withstanding industrial temperature ranges.
  • Page 2: Block Diagram

    User Manual EPT USB To Serial 1 Meter Cable The EPT 232R-US-R1 adapter cable requires USB device drivers, available from www.earthpeopletechnology.com/resources/driver, which are used to make the EPT 232R-US- R1 appear as a Virtual COM Port (VCP). This allows existing serial communications software, such as HyperSerialPort, to exchange data through the US232R to a legacy RS232 peripheral device.
  • Page 3: Performance Figures

    User Manual EPT USB To Serial 1 Meter Cable  Adds one RS-232 serial port by connecting to USB  Special high gloss white finish enclosure design  Side-lit blue RXD and TXD traffic indicators  Enhanced RS232 transceiver gives serial port speed of up to 1MBaud. ...
  • Page 4 2 EPT 232R-US-R1 Key Features This section summarises the key features and enhancements of the FT232R IC device which is used on the EPT 232R-US-R1 USB to RS232 converter cable. For further details, consult the FT232R datasheet, which is available from the FTDI website.
  • Page 5: Installation

    FTDI driver will calculate the required divisor, and set the baud rate. See FTDI application note AN232B-05 for more details The EPT 232R-US-R1 cable is limited to a maximum of 1 Mbaud because of the line driver within the circuit.
  • Page 6: Electrical Details

    5% to 95% RH, non Temperature condensing Range 6 Environmental Approvals & Declarations 6.1 EMI Compatibility FCC and CE The EPT 232R-US-R1 has been tested to be compliant with both FCC Part 15 Subpart B and European EMC Directive. Page 6...
  • Page 7 RoHS, WEEE, REACH, PFOS and DecaBDE. 6.4 Reliability The EPT 232R-US-R1 is designed as a robust USB-Serial adapter for use in many environments. There are no user-serviceable parts. Any failure will require a replacement of the unit. Page 7...
  • Page 8: Troubleshooting

    User Manual EPT USB To Serial 1 Meter Cable 7 Troubleshooting 7.1 Hardware Cables are the most common sources of trouble with external devices. Check the following:  USB cable is properly inserted Computer power is ON Computer is not in Sleep or Standby If a USB Hub is used, be sure it is set for “Self-Powered”...
  • Page 9 User Manual EPT USB To Serial 1 Meter Cable  ERRATIC MOUSE POINTER: The device driver defaults to query an attached device to find out whether it is a mouse or modem, consistent with native COM port operation. Some RS232 peripherals constantly send short packets of data, causing the host system to “think” a mouse or modem has been attached.

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