This is the cable you will need to connect to your console ports from a Cisco 2509 or 2511 router to your racked Cisco CCNA, CCNP or CCIE lab routers.  You will need one octal cable for a 2509 router and two octal cables for the 2511 router.  This will liminate the need for your to manually move the console cable between routers in your Cisco Certification lab.

8 Lead Octal Cable 68PIN To 8 Male RJ45S Serial (Ref CAB-OCTAL-ASYNC=Cisco) HDDB68 Male to (8) RJ45 Male 10ft CMB Part: [C11CAB-OCTAL-ASYNC=]