Yaskawa Modbus TCP/IP Installation - Manual (Page 11)

4 Option Components
YASKAWA ELECTRIC TOBP C730600 57B 1000-Series Option SI-EM3 Installation Manual 11
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Communication Connector CN1
The 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)
Male Ethernet 8-Way Modular Connector Pin Description
1 (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>
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