71. Introduction1.1. This manualThis manual provides thorough information on the SPA-ZC 402 Ethernet Adapterand the central concepts related to it. SPA-ZC 402 Ethernet is used for connectingany Intelligent Electronic Devices (IED), which provides fibre-optic SPA bus, to theSPA/TCP Bridge. In the manual you find information on SPA-ZC 402 and itscomponents, an introduction to engineering tasks and a description of the basicoperations.The information in this manual is intended for application engineers, who install andconfigure SPA-ZC 402.1.2. Use of symbolsThis publication includes the following icons that point out safety-related conditionsor other important information:The electrical warning icon indicates the presence of a hazard whichcould result in electrical shock.The caution icon indicates important information or warning related tothe concept discussed in the text. It might indicate the presence of ahazard which could result in corruption of software or damage toequipment or property.The information icon alerts the reader to relevant facts and conditions.It should be understood that operation of damaged equipment could, under certainoperational conditions, result in degraded process performance leading toinformation or property loss. Therefore, comply fully with all notices.1.3. Intended audienceThis manual is intended for installation personnel, administrators and skilledoperators to support installation of the software.Ethernet AdapterSPA/TCP BridgeInstallation and Commissioning ManualSPA-ZC 402SPA-ZC 4021MRS756019