Part 5 provides a communication profile for sending basic telecontrol messages between two systems, which uses permanent directly connected data circuits between the systems. ( January 2011) IEC 60870 part 5 is one of the set of standards which define systems used for telecontrol in and applications. This article provides insufficient context for those unfamiliar with the subject. Click theimage below for more information. U-229 connectorMost devices that support the 'sor protocol, use thesame 5-pin or 6-pin AUDIO connector, commonly referred to as U-229/Uor simply U-229.It has a,but is different for each protocol. ![]() ![]() LinksFILL devicesElectronic transfer devicesA key transfer device is an electronic device that is used (most commonlyby the military) for the distribution of cryptographic variables, such ascrypto keys and frequency hopping tables.Key fillers often use a,such asor - both developed by the-but devices with proprietary protocols are used as well.Key fillers are known by various names.
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