If your system has a combined A/B serial port, you can just plug a standard cable in and it will use serial port A.<BR><BR>More info here (Although i'm pretty sure his db9 -> db25 pinout is ...

In this situation you'll need either an RJ-45 to DB-9 or RJ-45 to DB-25 adapter. The RJ-45 cable connector plugs into the adapter and the adapter plugs into the router's console port.

I need to find the pin configuration for a DB9 Female to RJ45 adapter. I want to make an adapter to connect to the console port on a Cisco 1700 series router so I do not have to use a rollover ...