This section explains the concepts of the basic types of communications that your ClearSCADA system might use—one system uses direct communications and another system uses a telephone network for communications.
Most systems are structured to meet the needs of your organization and so they may differ to the architectures described in this section. By learning about the following types of system, you can begin to familiarize yourself with ClearSCADA and how it works as part of a Supervisory Control and Data Acquisition (SCADA) system: