Technology
In this category, you'll find technical information, for instance detailed information about how different protocols operate.

RS-485

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RS 485, EIA 485 or ISO 8482, is a standardized technology for serial data communications. RS485 is both simple to use and cheap, as well as very robust. It has come to be the most widely used bus technology for alarm systems.

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OPC

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OPC (OLE for process control) is a standard specified by the OPC foundation for communication between different computers (including embedded systems). OPC is widely used within manufacturing industry for process control and supervision.
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ESPA 4.4.4

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ESPA 4.4.4 is a serial protocol, originally created for interconnecting paging equipment with phone exhange systems and computers. This procol is supported by a large number of systems, such as fire alarms, intruder alarms, nurse call systems and DECT cordless telephony.

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