Random notes & other stuff... » serial http://leucos.lstilde.org/wp ...about Linux, electronics, digital photography, whatever... Wed, 16 Dec 2009 00:29:27 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 Cisco serial cable pinout http://leucos.lstilde.org/wp/2008/09/cisco-serial-cable-pinout/ http://leucos.lstilde.org/wp/2008/09/cisco-serial-cable-pinout/#comments Sat, 27 Sep 2008 16:55:30 +0000 leucos http://leucos.lstilde.org/wp/?p=42 Here is the pinout for the standard Cisco serial console cable (DB9 – RJ45) like this one.

Note that DCD(1) and RI(9) are not wired.

This cable is quite handy when doing µcontroller stuff. Just put a RJ45 socket on your PCB our get a breakout board from Sparkfun and you can plug and unplug at will and securely.

DB 9 Serial pin Color RJ 45
8 CTS Black 1
6 DSR Brown 2
2 RX Red 3
5 GND Orange 4
5 GND Yellow 5
3 TX Green 6
4 DTR Blue 7
7 CTS Grey 8
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