Event-driven Process Chain Diagrams

The vector stencils library "Telecom equipment" contains 11 hardware clipart icons of telecommunication devices for drawing computer network diagrams and equipment layouts.
"In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of interconnection and interoperation to form an integrated whole. The components of a communications system serve a common purpose, are technically compatible, use common procedures, respond to controls, and operate in union. Telecommunications is a method of communication." [Communications system. Wikipedia]
"A basic telecommunication system consists of three primary units that are always present in some form: (1) A transmitter that takes information and converts it to a signal. (2) A transmission medium, also called the "physical channel" that carries the signal. ... (3) A receiver that takes the signal from the channel and converts it back into usable information." [Telecommunication. Wikipedia]
The clip art example "Telecom equipment - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Telecommunication Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.