2-3
Connecting to the Network
2-3-1
Ethernet Connectors
The following standards and specifications apply to the connectors for the Ethernet twisted-pair cable.
• Electrical specifications: Conforming to IEEE 802.3 standards.
• Connector structure: RJ45 8-pin Modular Connector (conforming to ISO 8877)
• For information on connecting shield wire to connector hoods, refer to 2-1-2 Ethernet Switch Types
on page 2-3.
10Base-T and 100Base-TX
Connector pin Signal name Abbr. Signal direction
1 Transmission data + TD+ Output
2 Transmission data − TD− Output
3 Reception data + RD+ Input
4 Not used --- ---
5 Not used --- ---
6 Reception data − RD− Input
7 Not used --- ---
8 Not used --- ---
1000Base-T
Connector pin Signal name Abbr. Signal direction
1 Communication data DA+ BI_DA+ Input/output
2 Communication data DA− BI_DA- Input/output
3 Communication data DB+ BI_DB+ Input/output
4 Communication data DC+ BI_DC+ Input/output
5 Communication data DC− BI_DC− Input/output
6 Communication data DB− BI_DB− Input/output
7 Communication data DD+ BI_DD+ Input/output
8 Communication data DD− BI_DD− Input/output
2-3-2
Connecting the Cable
Precautions for Correct Use
• Turn OFF the Controller's power supply before connecting or disconnecting Ethernet commu-
nications cable.
•
Allow extra space for the bending radius of the communications cable.
For the CPU Unit dimensions when the communications cable is connected to the Unit, refer
to the NJ-series CPU Unit Hardware User's Manual (Cat. No. W500), NX-series CPU Unit
Hardware User’s Manual (Cat. No. W535), NX-series NX102 CPU Unit Hardware User’s
Manual (Cat. No. W593), or NX-series NX1P2 CPU Unit Hardware User's Manual (Cat. No.
W578). The required space depends on the communications cable and connector that are
used. Consult the manufacturer or sales agent.
2 Installing Ethernet Networks
2-13
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
2-3 Connecting to the Network
2
2-3-1 Ethernet Connectors
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