Yaskawa V1000-Series Option SI-EM3D/V Dual Port EtherNet Modbus TCP/IP Technical Manual - Manual (Page 10)

u Communication Connector CN1
Communication Connector CN1 is a modular RJ45 female connector and the connection point for a customer-supplied male
Modbus network communication cable.
Figure 3 Communication Connector CN1 (RJ45)
Table 2 Male, 8-Way Modular Connector (Customer-Supplied)
Male 8-Way Modular Connector Pin Description
Latch release
1 2 3 4 5 6 7 8
1 (Pair 2) Transmit data (TXD) +
2 (Pair 2) Transmit data (TXD) -
3 (Pair 3) Receive data (RXD) +
4 (Pair 1) Not used <1>
5 (Pair 1) Not used <1>
6 (Pair 3) Receive data (RXD) -
7 (Pair 4) Not used <1>
8 (Pair 4) Not used <1>
<1> Not used for 10 Mbps and 100 Mbps networks.
4 Option Components
10 YASKAWA SIEP YAICOM 17A V1000 Option Dual-Port Modbus TCP/IP SI-EM3D/V Technical Manual