Serial interfaces cables and converters scheme  > Cisco pinouts
Use this cable to configure a Cisco router thru the Console port at the router.
  Female Male Dir
Shield Ground 1   ---
Transmit Data 2 6 -->
Receive Data 3 3 <--
Request to Send 4 8 -->
Clear to Send 5 1 <--
Data Set Ready 6 2 <--
Ground 7 4 ---
Ground 7 5 ---
Data Terminal Ready 20 7 -->

 

 

 

Alternative DB25 <-> RJ45 pinout:

 

 Color of Wire Male Female  
Yellow 2 6  
Black 3 3  
White 4 8  
Blue 5 1  
Red & Green 7 4 & 5  
Orange 8 2  
Brown 20 7  

 

25 pin D-SUB female connector layout
25 pin D-SUB female connector
at the Computer
8 pin RJ45 (8P8C) female connector layout
8 pin RJ45 (8P8C) female connector
at the Cisco router
According to 2 reports in our database (1 positive and 1 negative) this pinout may be incorrect.

Is this pinout
Cisco Console (25) cable visual pinout:
Cisco Console (25) cable diagram
click to enlarge
Source(s) of this and additional information: Hardware Book, Damien Miller
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