[aprssig] Cisco rollover to RS-232
redderek at comcast.net
Fri Mar 3 19:50:16 CST 2006
I did a quick search using the terms [ "serial port" RJ45 "pin out" ] on
Google. Try this for a description:
Drawback is that it may not be a standard. I went back to search a bit
more using ["serial port" RJ45 "pin out" cisco] and found this
These show different pinouts than the previous link. I would keep
searching til you have a better feeling of the results. Final task would
probably be pick one pinout and test until you find a match. You can
also watch pins from the RJ45 unit and watch for data being transmitted
using an AC volt meter. Be sure to identify the ground pin before
starting. This could give you a starting point.
Fred Atkinson, WB4AEJ wrote:
> I am getting an RJ45 to DB-25 adapter. I have to set the pins to the
>correct pinout myself.
> What I want is a way to turn the pins on the rollover cable into a DB-25
>RS-232 so I can talk to the TNC-2.
> Does anyone know the correct pinout for that?
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