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Pros: I can attest to the fact that putting RS232 Comm on a Cat 5e cable is the way to go. Much easy to work with and Cables are easy to make.
As many of you who would buy this would know you typically have to customize plugs for various RS232 configurations. I bought these so I could set up XON-XOFF which required shunting some of the pins (DB9 #1-4-6, 7-8). I stripped and twisted the tiny wires then put on electrical tape, then inserted them. Works good, and fits, taps would be too big to use. I used DB9 2,3,5 dead ended the others (that connect to the RJ45 pins) and put electrical tape on them to stop them from possible contact (very little tape). Also, I decided to make them a pair, so had to NULL (cross) 2,3 on one of the connectors. This is awesome, just clip these on and connect a standard Lan Cable and they work good and provide a clean signal. I am really happy to get this done so neatly.
Cons: It says 10 pin RJ45 and it is 10 pin! Perhaps I am ignorant but I only have 8 pin RJ45s. No fret, they work just their pin 1 and 10 do not have contact with a standard 8 pin RJ45. The screw things are really cheap. No drawing to tell me what color goes to what pin on the RJ45 so had to ohm them out. Would also be nice to include info on what the recommended connections should be from DB to RJ.
Other Thoughts: If you are looking at this for the same reasons I did here is some helpful info. I went to this site and got a recommended connection for DB to RJ serial. Scroll down the page a bit to find it. Big answer for me is yes, run TXD and RXD on a pair. http://www.pccables.com/tech/sun_serial_null.html Pin out for RJ45 was as follows for the one I got. RJ45-wire color --- Standard 8 wire LAN cable (568A) wire color. 1-purple-not connected 2-blue-orange stripe 3-orange-orange 4-black-green stripe 5-red-blue 6-green-blue strip 7-yellow-green 8-brown-brown stripe 9-gray-brown 10-white-not connected
Hope this helps
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