Ethernet Connectors; Connecting The Cable - Omron CJ2 User Manual

Ethernet Connectors

The following standards and specifications apply to the connectors for the Ethernet twisted-pair cable.
• Electrical specifications:Conform to IEEE802.3 standards.
• Connector structure:RJ45 8-pin Modular Connector (Conforms to ISO 8877)

Connecting the Cable

Precautions for Correct Use Precautions for Correct Use
• Turn OFF the PLC's power supply before connecting or disconnecting twisted-pair cable.
• Allow enough space for the bending radius of the twisted-pair cable as shown in below.
35 mm
1.
Lay the twisted-pair cable.
2.
Connect the cable to the switching hub. Be sure to press in the cable until it locks into place.
CJ2 CPU Unit Hardware User's Manual
Connector pin Signal name
1 Transmission data +
Transmission data −
2
3 Reception data +
4 Not used.
5 Not used.
Reception data −
6
7 Not used.
8 Not used.
Hood Frame ground
Abbr. Signal direction
TD+ Output
TD− Output
RD+ Input
--- ---
--- ---
RD− Input
--- ---
--- ---
FG ---
5 Installation
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