Console Port Connection Instruction
It is used to debug device when you forgot the ssh and GUI password or device can not boot up.
Console parameter,115200 8 n 1
1. Find one cable same as cicso console line
2.Download the client putty,try to login
The COM3 you can find from the computer device manager,maybe COM2 or others
The system is debian linux,so then you can run some basic commands to check system;
You can see the booting information on putty window If your connection is sucessful.