On Sat, 19 May 2018 18:54:26 +0000, Jan Panteltje wrote:

> Yes, but I mean the baudrate of that thing you are connected to,
> You need to know what speed that is.
>
I thought I'd mentioned that earlier: 9600, no parity, 1 stop bit and
setting that is already taken care of.

> In an other reply I mentioned the difference between RS232 and the USB
> to logic level adaptors, the ones with RS232 (D connector such as that
> Dittel thing you want to connect to)
> use inverted logic, also those drive the signal negative,
> not sure your logic level interface will stand that.
>
As I said - I'll talk to the agents next week. They're friendly and
helpful.

If RS-232 levels are needed, its easy enough to make up a three wire
cable for a RS-232-level USB adapter with a 3.5mm stereo jack on the end.

I started with the AXE027 adapter because I already have one.

Today I used a screwdriver to short the segments. Its also easy enough to
short the connections on spare socket and hang the scope on that to check
whether the signal is inverted or not.


--
Martin    | martin at
Gregorie  | gregorie dot org

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