Now and again they pop up on Ebay. TDS-2CM is the model # if I remember
correctly. You're right, for most applications you will only use the serial
port. The only other interface module you can get is the TDS-2MM which is
the same as the 2CM but with FFT or a module with printer only output.
(basically a screen dump) It is not really much use.

They work fine with USB to serial converters. The Wavestar software is quite
good also. I use it all the time, but I have some code snippets for getting
data from the scope which I must try sometime if I can dig them out.

Joe

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of William Chops Westfield
> Sent: 23 November 2005 06:59
> To: Microcontroller discussion list - Public.
> Subject: [EE] tektronix TDS210 scope comm add-on (TDS2CMA...)
> 
> 
> There's a communications add-on for the TDS210 scope that 
> adds rs232, parallel, and hpib interfaces for communications 
> with printers and computers.  I'd like one for my 210, but 
> it's $350 MSRP, and I'd probably only use the rs232 port.  I 
> don't suppose that there are any third-party equivalents with 
> less functionality at a lower price (or even (gasp) something 
> modern like USB?)  I took a quick google around and didn't 
> see anything, or any specs
> on the interface for that matter.   I guess tektronix keeps it
> pretty proprietary?  Sigh.  Seems like a good application for 
> one of those USB 18F PICs...
> 
> BillW
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