what interface is this?

Hi Folks

I am trying to track down this message.

Sep  3 20:28:52  js0452-2 : %PFE-5: fpc0 32x1G/4x10G Fiber PIC link 23 SFP receive power high warning cleared
Sep  3 20:33:16  js0452-2 : %PFE-5: fpc0 32x1G/4x10G Fiber PIC link 23 SFP receive power high warning set
Sep  3 20:58:51  js0452-2 : %PFE-5: fpc0 32x1G/4x10G Fiber PIC link 23 SFP receive power high warning cleared

does this map to ge-0/0/23 or other?  how do I tell