An RS232 cable question or two

Started by Anonymous in sci.electronics.basics7 years ago 15 replies

Greetings RS232 Gurus, I have a couple machine tools that connect to a computer through RS232. I now need to run a longer cable for one of the...

Greetings RS232 Gurus, I have a couple machine tools that connect to a computer through RS232. I now need to run a longer cable for one of the machines. Looking online it seems like the biggest limiting factor is the capacitance of the cable. I have a reel of cable with three twisted pairs and no shield that's about 300 feet long. Measuring the capacitance with my multimeter I find the capac...


RS232 cable followup

Started by Anonymous in sci.electronics.basics7 years ago 5 replies

Thanks again to those who responded to my RS232 cable question. This morning I soldered on the DB connectors and did a test of the cable. There...

Thanks again to those who responded to my RS232 cable question. This morning I soldered on the DB connectors and did a test of the cable. There were no problems. I fact, though this is really subjective, the program seemed to download faster than it did with the older, shorter, spliced cable. Eric


Serial Breakout Box

Started by Rolf in sci.electronics.basics5 years ago 3 replies

Looking for an inexpensive (less that $100) serial RS232 breakout box. Can set BAUD, etc and then receive serial data. needs to have some sort...

Looking for an inexpensive (less that $100) serial RS232 breakout box. Can set BAUD, etc and then receive serial data. needs to have some sort of data bit output; TTL or ?. up to 8 bits. nice to be able to send simple data byte back. A kit is fine. what's out there? I already have USB breakout boxes so that is not needed. --- news://freenews.netfront.net/ - complaints: news@netfr...