Machines or systems downstream the Compressed Air Systemthat use the compressed air require data on the condition of the compressed air. These conditions are provided at one or more Customer Distribution Points, depending on the concrete Compressed Air Systemsetup. When modeling a Compressed Air System, the Customer Distribution Points shall be described as such. This can be done using external documentation, but it is recommended to use the Description Attributeof the Nodethat serves as the output of the Compressed Air System. Common examples of Customer Distribution Pointsare presented in chapter 6.3 Airnet Examples.