Hello I am new to this, but I have a Cisco 2801 router, with a VIC2 -2FXS, is there any way to run a series of command to test to see if it has gone bad, and the samething for a serial interface?
I am not sure how much more info you need, but please let me know.
Look at show version
Make sure that you see the the correct part types
Also may be this link will help