128Chapter 9 Monitoring Managed ObjectsChapter contentsIntroduction ........................................................................................................................................................129Working with Managed Objects..........................................................................................................................129Geographical Areas .......................................................................................................................................130Network Nodes .............................................................................................................................................130Chassis ..........................................................................................................................................................130Network Addresses ........................................................................................................................................131Cards ............................................................................................................................................................131Interfaces ......................................................................................................................................................132DSL Ports .....................................................................................................................................................132IDSL Ports ....................................................................................................................................................132T1/E1 Ports ..................................................................................................................................................132E1 Links .......................................................................................................................................................133Working with Other Objects...............................................................................................................................133