ISO 21217: Intelligent transport systems — Communications access for land mobiles (CALM) — Architecture
| Element | Physical Object | Functional Object |
|---|---|---|
| BUS Facility Surveillance Equipment | ITS Object | ITS Management Support |
| ITS Object | ITS Security Support | |
| Lextran Facility Surveillance Equipment | ITS Object | ITS Management Support |
| ITS Object | ITS Security Support | |
| Lextran Transit Center Security Cameras | ITS Object | ITS Management Support |
| ITS Object | ITS Security Support |