Cisco Console (25) cable

pinout

Use this cable to configure a Cisco router thru the Console port at the router.

25 pin D-SUB female connector  to the Computer

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 Data Terminal Ready 20 7

8 pin RJ45 female connector  to the Cisco router

Source:www.pinouts.ru