The CSRJ45-06 is a console management cable connects your computer serial port to Cisco router RJ45 console port. This cable is equivalent to Cisco 72-3383-01 used with Cisco switches, firewalls, routers, wireless devices. Works with new and older Cisco devices. Pin-out: RJ45 / DB9 | 3-2; 6-3; 7-4; 4,5-5; 2-6; 8-7; 1-8.