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rsbcv1 SBC Serial Cable Instructions

Page history last edited by Andrew Lynch 6 years, 10 months ago

On Jun 19, 3:02 am, Seth Morabito <smorab...@gmail.com> wrote:

> Andrew requested that I give a bit of info on the serial cable pin-out

> I'm using.  I've got a few pictures on Flickr describing my cable.

> It's totally straight-forward.

>

> The connections are as follows:

>

> [N8VEM -------- 9-pin DSUB]

>  2 (DSR) ------- 4

>  3 (RX) ------- 3

>  5 (TX) ------- 2

>  7 (DTR) ------- 6

>  9 (GND) ------- 5

>

> Pictures and more details:

>

http://flickr.com/photos/twylo/2592392406

http://flickr.com/photos/twylo/2592393794

http://flickr.com/photos/twylo/2592395272

>

> -Seth

Hi Seth,

I checked my serial cable and I connected it like this:

PC DB25 (9 to 25 pin cable) SBC (25 pin female)

2 TD----------------------RD

3 RD----------------------TD

7 GND---------------------GND

6 DSR---------------------DTR

20 DTR----+----------------DSR

5 CTS----+

It is the same as what you have except pin 20 DTR and 5 CTS are wired

together.  This allows hardware handshaking using HyperTerm.

As to whether it is actually using hardware handshaking is probably a

matter for debate but at least it doesn't hang anymore...

:-)

Thanks and have a nice day!

Andrew Lynch

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Comments (2)

caprio@uxpro.com said

at 1:45 am on May 28, 2010
Reply

Are the pins on the PCB numbered like an IC?
Thanks.

6 5
7 4
8 3
9 2
10 1 <

caprio@uxpro.com said

at 1:51 am on May 28, 2010
Reply

Nevermind. I found the pin numbers in one of Seths photos.

10 9
8 7
6 5
4 3
2 1 <