174. InstallationThis chapter describes the installation of the SPA-ZC 402 module and theCommunication Engineering Tool (CET) for SPA-ZC 40x. For additionalinformation, such as technical data, maintenance and service, refer to Section 7.Technical data and Section 8. Maintenance and service.4.1. Mechanical installationScrew the SPA-ZC 402 module on the cubicle's bottom or wall near the protectionrelay. Pay attention to the length of the fibre-optic SPA cable when you are installingthe SPA-ZC 402 module.4.2. Installing communication cableConnect the fibre-optic SPA bus cable between IED and SPA-ZC 402. Connect theLAN cable to the LAN connector of SPA-ZC 402. The other end of the cable isconnected to the Ethernet switch.4.2.1. Auxiliary power connectionVoltage range for the external power connection (U aux) is* 110-220 VDC, 100-240 VAC or* 24-60 VDCTable 4.2.1.-1 Screw terminal of U aux connectionScrew terminal AC DC1 L +2 N -In addition there is an earthing screw for the protective earth conductor beside thescrew terminals in the casing.4.3. Communication Engineering Tool for SPA-ZC 40x4.3.1. System requirementsCommunication Engineering Tool (CET) for SPA-ZC 40x runs on Windows 2000,Windows XP and Windows Server 2003 operating systems. A PC capable ofrunning one of these operating systems is sufficient also for CET for SPA-ZC 40x.For more information, refer to Section 1.4. Product documentation. The detailedsystem requirements can be seen below.* 20 MB free hard disk space if Microsoft .NET Framework 1.1, which is requiredfor running CET for SPA-ZC 40x, has already been installed.* 100 MB free hard disk space, if the Microsoft .NET Framework 1.1 is notinstalled. It is installed automatically if it is not found.Ethernet AdapterSPA/TCP BridgeInstallation and Commissioning ManualSPA-ZC 402SPA-ZC 4021MRS756019