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2 Starting a Sample System
EtherCAT Communication Unit USER’S MANUAL (3G3AX-MX2-ECT)
2-1 Part Names and Settings for the
EtherCAT Communication Unit
2
2-1-4 Communications Connector
An Ethernet twisted-pair cable is connected to this connector.
The EtherCAT connector specifications are shown below.
• Electrical characteristics : Conform to IEEE 802.3.
• Connector structure : RJ45 8-pin modular connector (conforms to ISO 8877)
• Terminal arrangement :
2-1-4 Communications Connector
Pin No. Signal Abbreviation Function
1 Send data + TD + Send data +
2 Send data TD Send data
3 Receive data + RD+ Receive data +
4 Not used
5 Not used
6 Receive data RD Receive data
7 Not used
8 Not used
Hood Frame ground FG
1
8
Communications
connector (IN)
Communications
connector (OUT)