"BQ340" wrote in message
...
On 9/20/2014 11:25 AM, Karl Townsend wrote:
My son has his old matsuura up and running. Its pre LAN connection,
needs the RS232 port to download CNC programs.

I did this ages ago, but have forgot how.

Question 1, how do I wire the cable?

Question 2, what program works with W7 to talk to the control?

Last time I did this it was DOS and Procomm.

Karl


You would have to try a straight thru cable or some need a null
modem.


The easy way to tell is to measure the voltages on pins 2 and 3, to
see which is an output.
-jsw