GT seriesSpecifications81.3Internal Wiring Connections for Ports1.3Internal Wiring Connections for Ports1.3.1COM. PortWiring and cables should be laid out in such a waythat cables are not affected by external noise. Also,shielded wiring should be used for cables.1.3.2TOOL PortPin No.Contents1SG2SD3RD4N.C.5N.C.