show env  

 

show env all 

 

show environment alarm 

 

show env power 

show env power all 

show env fan 

 

 

Power Supply Modules IOS XR: 

show alarms brief syst acti 

 

admin show environment power 

show platform -> this will tell what the current route processors are

show inventory -> shows line cards, route processors 

show diag -> shows ports, line cards, route processors

show install active -> shows what packages are installed

show config history -> XR config history

show config rollback changes -> XR config rollback history