10 YASKAWA ELECTRIC SIEP C730600 91C YASKAWA AC Drive Option SI-EM3 Technical Manual4 Option Components4 Option Components SI-EM3 OptionFigure 1Figure 1 Option Components Communication Connector CN1The communication connector on the option is a modular RJ45 female connector designated CN1.CN1 is the connection point for a customer supplied male Modbus network communication cable.Table 3 Male, 8-way Ethernet Modular Connector (Customer Supplied)A – Option model number F – Ground terminal (FE) and installation hole <2>B – Connector (CN5) G – Communication connector CN1 (RJ45)C – Installation hole H – LED (LINK/ACT) <1>D – LED (MS) <1> I – LED (10/100) <1><2> Connect the provided ground wire during installation. Installation on GA700 and GA800 drives does not require theground wire.E – LED (NS) <1><1> Refer to Option LED Display on page 11 for details on the LEDs.Male Ethernet 8-Way Modular Connector Pin Description1 (Pair 2) Transmit data (TXD) +2 (Pair 2) Transmit data (TXD) -3 (Pair 3) Receive data (RXD) +4 (Pair 1) Not used <1><1> Not used for 10 Mbps and 100 Mbps networks.5 (Pair 1) Not used <1>6 (Pair 3) Receive data (RXD) -7 (Pair 4) Not used <1>8 (Pair 4) Not used <1>FBGCHIE DUndersideASI-EM3A1000