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rs232 to Customers Reviews

  • Cheap, but effective.

    posted by nedmech

    *>Tiny - Easy to pack with the rest of my gear.*>Works with everything I've tried it with - even my "finicky" Siemes PC/PPI communications cable for programming Step7 PLC's.*>Price is hard to beat.
    The one thing that I wish this little guy had was activity lights. There are no LED's indicating Tx/Rx activity. That's probably one of the most helpful features of other USB/RS232 adapters I've used before.
    If you don't mind the lack of Tx/Rx lights and can keep from flexing the body of the unit too much, this is a great little USB/RS232 adapter for the price.
  • excelente

    posted by jimmyhenry

    excellent cable connectors converters excellent excellent material and long enough cable to use it on any computer or laptop
    not if the installation disk can be downloaded or can provide me clear again only the installation disk, not the cable that's fine
    everything is fine with the exception of the installation disk that came broken if not to better protect the shipments coming to be transported by the postal service is not damaged or if you can provide us a better website where you can download drivers installation
  • Excellent RS232/TTL converter, does what it says on the tin

    posted by heypete

    Simple, easy to connect, and works exactly as expected.Mounting holes in the PCB make it easy to mount in an enclosure.I connected the inputs and outputs to an oscilloscope, and the MAX3232 produces sharp, clean, well-defined signals on both the RS232 and TTL sides.The TTL output voltage matches Vcc (that is, set Vcc to 3.3V and the TTL output signal range will be 0-3.3V. Set it to 5V and it will be 0-5V.). This makes it easy to match the output voltage to your TTL circuits.The RS232 output voltages range between -5/+5V regardless of Vcc voltage (the chip has built-in charge pumps to increase the voltage for the RS232 transmitters). In compliance with the RS232 standard, it can tolerate RS232 input voltages of -25/+25 volts.While most people would just use the pins marked TX/RX to connect one RS232 device to one TTL device, the MAX3232 supports a second bi-directional channel.
    The board is contains a MAX3232 RS232-to-TTL converter and the necessary capacitors, a few LEDs to indicate when the chip is sending data, a female DE9 connector to connect to your RS232 device, and a 4x2 pin header to connect to your TTL device. Simple and handy.The primary bi-directional channel is connected to pins 2 (RX) and 3 (TX) on the DE9 connector (RS232) and to the TX and RX pins on the board, respectively. Be sure you connect the pins correctly: connect the TX pin on the MAX3232 board to your TTL device's RX pin, and the RX pin on the MAX3232 board to your TTL device's TX pin. Connect Vcc and GND to your TTL device.The second bi-directional channel is not connected to the DE9 connector and is only accessible on the pin headers. Connect your RS232 device's RX and TX pins to R2O ("RS232 out, channel 2") and R2I ("RS232 in, channel 2"), respectively. Connect your TTL device's RX and TX pins to T2O ("TTL out, channel 2") and T2I ("TTL in, c
    This board saves makes it easy to connect an RS232 device to a TTL circuit using a MAX3232 chip. I highly recommend it.The MAX3232 in this board functions the same as the very common MAX232 chip which only runs on 5.0V; the difference is that the MAX3232 runs on 3.0-5.5V input which makes it great for 3.3V TTL circuits.
  • Seen as FTDI indeed

    posted by TestCase

    Identified itself as FTDI and works with FTDI driver.Tried a few other RS232<->USB adapters from DX but they either died after 4 weeks or simply no correct driver was available. This one just works ok! It is connected between my PhotoVoltaïc panels and a PC.
    More pricey compared to some of the other RS232<-> USB adapters with DX but it just works.
    If you want no hassle go for this adapter.
  • Good RS232<>TTL converter

    posted by karbas

    + RS232 connector included+ status led+ jumper wires included
    Is it possible to connect two ttl-ports to the pcb? MAX2323 is supporting dual TTL<>RS232 ports, but there is no documentation how to use this module that way.There is also no documentation for leds. Screwholes to the PCB-board would be also nice idea to make it easier to attach this board to your installation.
    Practical converter module with rs232-connector.

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