8 NLB 60E Operation Manual5.1 Front-panel overview5.2 Rear-panel overview5 PAneL oveRvIeWsLED indicators:Front UI locked,Fault Mute Subnet2x16 displayWhite on blueNavigation keys:SELECT,ADJUST/SET,EXIT/ESC,ENTER/OKNomadLink SubnetPower ON/OFFNomadLink andEthernet activityLEDsRJ45 EthernetconnectorEthernet onEtherCon housedRJ45 for standardPC using TCP/IPNomadLinknetwork In and Outon EtherCon housedRJ453x General Purpose Input (GPI) on 2-polePhoenix connectors:GPI 1: Sensing High/Low VoltageGPI 2 and 3: Contact closureMains input100 V - 240 Vauto sensing