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Glossary • 231WAGO-I/O-SYSTEM 750ETHERNET TCP/IPRJ45 connectorAlso referred to as a Western connector. This connector allows theconnection of two network controllers via twisted pair cables.RouterConnects neighboring subnets, the router operating with addresses andprotocols of the third ISO/OSI layer. As this layer is hardware independent,the routers allow transition to another transmission medium.To transmit a message the router evaluates the logical address (source anddestination address) and finds the best path if there are several possibilities.Routers can be operated as repeaters or bridges.RoutingMethod of selecting the best path over which to send data to a distantnetwork.SSCADAAbbreviation for Supervisory Control and Data Acquisition. SCADAsoftware is a program for the control and visualization of processes.SegmentTypically, a network is divided up into different physical network segmentsby way of routers or repeaters.ServerDevice providing services within a client/server system. The service isrequested by the Client.ServiceAn operation targeted at an object (read, write).SMTPShort form for „Simple Mail Transfer Protocol“. Standard protocol, withwhich E-mails are sent away in the internet.SNMPShort form for „Simple Network Management Protocol“. SNMP servesremote maintenance of servers. Thus leave themselves e.g. rout directly fromthe office of the network carrier out to configure, without someone mustdrive for this to the customer. |
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