--- In Jim Jackson <> wrote:
>
>
>
>
> On Sat, 10 Apr 2010, jiangcaoyang wrote:
>
> > Recently, I was thinking of buying a TS-7200 for my own project. As I
> > read through the manual, I found out a big problem. My computer don't
> > have a RS-232 port. So, the way I want to solve this problem is by using
> > a USB-to-RS-232 cable. Since I have never used this board before, I don't
> > know if this is feasible.
>
> Yes it is feasible.
>
> > Also, the serial communication requires a
> > null-terminated cable. Does that mean I have also need to buy a
> > converter?(convert general rs-232 to null-terminated rs-232?).
>
> No. It is not a null-terminated cable - it is a null modem cable. It means
> an rs232 cable designed to join computers together. Essentially the cable
> is designed to join transmit at one end to receive and the opposite end.
> (and CTS to RTS etc). If you use no flow control on the RS232 connection
> then you need a cable with 2 female 9 pin connectors at each end, with pin
> 5 connected to pin 5 (Ground), and pin 2 to pin 3 and pin 3 to pin 2.
> Or you can buy a cable already made up.
>
> There is absolutely loads of info on rs232 cables and connectors etcon the
> internet - google is your friend.
>
> > Another problem is the official site says using minicom as terminal
> > emulator. So, which port should I use? I got like 3 USB terminals. I have
> > no idea which port should I configure to. I looked into /dev, there is
> > ttyS0 to tty40. Which one is correspond to which USB?
>
> Once you plug in a USB rs232 adapter the device /dev/ttyUSB0 (or 1, 2 etc)
> will be created. You use that.
>
> ttyS0 is a standard serial port - if it's there it looks like you actually
> do have a serial port, it might just not be brought out to a socket on your
> PC. Many motherboards have pins for extra ports that are not connected to
> the "standard" sockets. Consult your motherboard manual.
>
Thank you so much!!!That is so hopeful!!
Just an additional question, upon first time running the board, what
should I do to make sure that the board will properly install itself.
>From the manual, it seems that I do not have to do much, just wait the board
>itself automatically install the on board TS-linux? what if I don't get it
>right the first time. Will it cause a lots of trouble?
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