There are multiple ways to login to the CS1000 or Meridian 1 platform PBX's. On the meridian 1 you will need to find an open TTY port, on the option 11/c there is a 9-pin connector towards the bottom of the cabinet that when you connect to it with the appropriate cable, a TTY XX IDLE should show up in your console. On the newer platform of CS1000 you can SSH into the UCM/Signaling Server and then SSH from there into the call server by using the command ssh XX.XX.XX.XX or if you don't know the call server's IP you can type cslogin which will bring you into the cs1000 tty.
Once you are connected you want to hit the