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Prolific USB to serial cable image Zoom

USB to serial Cable with dupont connectors, Prolific driver USB2RSDP

USB to Serial cable with Dupont pins

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Product Description


    Uses Prolific USB driver IC.
    USB to Serial Adapter with Dupont style female connections. 
    Converts one USB port to serial TTL level out .
    RS-232 data & signals: TX, RX and GND.
    Supports 300 to 128,000 baud.
    Supports Windows 7/Vista/XP/Server2008/Server2003/2000/98 (32-bit), Windows 7/Vista/XP/Server2008/Server2003 (64-bit), Win CE, Mac, and Linux.
    Plug and play (hot-pluggable, data format auto-sensing and self-adjusting).
    Port-powered, no external power required.
    No IRQs required, no IRQ conflicts.
    5-year manufacturer's warranty.


    Compatibility: USB 2.0 (backward compatible) and EIA/TIA RS-232C standards

    Power Source: Port power from USB port

    Current Consumption: Less than 100mA

    Output Power on Pin 3: About -9VDC

    Baud Rates: 300 to 128,000bps (auto-sensing and self-adjusting)

    Distance: USB side: 10ft (3m); RS-232 side: 16ft (5m)

    Connectors: USB side: Type A Female; serial side Dupont style female pins

    Dimensions (H x W x D): 0.6 x 1.4 x 2.2 in (15 x 35 x 55 mm) (excluding cable)

    Cable Length: 3.3ft (1m)

    Weight: 2.6 oz (73 g)

    Operating Temperature: 32ᄎF to 95ᄎF (0ᄎC to 35ᄎC)

    Operating Humidity: Up to 90% RH (no condensation)

    CONVERTER CONNECTOR PINOUTS USB Side USB Type A Connector (view from front) RS232 Side

    Pin .. Function ... Description
    1 ..... DCD ......... Data Carrier Detect
    2 ..... RX ............ Receive Data
    3 ..... TX ............ Transmit Data
    4 ..... DTR .......... Data Terminal Ready
    5 ..... GND ......... Ground (Signal)
    6 ..... DSR .......... Data Set Ready
    7 ..... RTS .......... Request to Send
    8 ..... CTS .......... Clear to Send
    9 ..... RI ............. Ring Indicator DB-9 Male (view from front)

    DB-9 Pin Assignment: 1 2 3 4 5 6 7 8 9
    DB-25 Pin Assignment: 8 3 2 20 7 6 4 5 22

    TROUBLESHOOTING INSTRUCTIONS FOR USB TO RS232 CONVERTER 1) Driver installation Make sure that the USB-232-1 is connected to your USB port, and the driver is installed correctly (as shown above); otherwise, please reinstall the driver (refer to user manual for details). 2) Make sure the Power LED on USB-232-1 is lit up. 3) Loopback Test

    * Connect pin Tx and Rx of the serial connections. * Run 232Analyzer FREE version software on your computer. * Select "ASCII" for both the Send and Receive data formats. Then send command and/or string such as "CommFront" from the 232Analyzer software. You should receive an echo of the command/string sent ("CommFront"). By performing a simple loopback test like this, you can test both the transmitter and receiver of the converter. This is very helpful when you are in doubt about the performance of your converter.


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