what is difference between AUSR and DUSR ?

[ganeshkacn143]

What does AUSR in switch name idicates

[MHM Cisco World]

I need to see the exact name 

[ganeshkacn143]

SW-FRPAU-X00I1B-AUSR#

[MHM Cisco World]

this Host name, it user configurable it not cisco default name. 
check the 
hostname command in running/startup config 

[ganeshkacn143]

SW-FRPAU-X00I1B-AUSR#    What does AUSR in switch name indicates

[balaji.bandi]

You need to check with your local naming convention part of your design, this is not come with cisco or any one.

this is easy to identify the device and role.

i believe this is AUS- australi - R - Router ( guess)