INCON-M84/M86/M86R Integration Manual2 Modules Connection2.7 EKU: Handwheel Expansion Unit 2.7.2 CON2, CON3: EtherCAT Ethernet Communication Connector CON2:EtherCAT cable IN Connect to the previous EtherCAT device. CON3:EtherCAT cable OUT Connect to the next EtherCAT device. CON2, CON3 EtherCAT Ethernet Communication Connectors CON2, CON3 Placement Drawing