Connecting to the Network

Section 2-5

2-5 Connecting to the Network

2-5-1 Ethernet Connectors

The following standards and specifications apply to the connectors for the

Ethernet twisted-pair cable.

• Electrical specifications: Conforming to IEEE802.3 standards.

• Connector structure:

RJ45 8-pin Modular Connector

 

 

(conforming to ISO 8877)

 

 

 

 

 

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.

 

---

---

 

 

 

 

Hood

Frame ground

FG

---

 

 

 

 

 

2-5-2 Connecting the Cable

!Caution Turn OFF the PLC’s power supply before connecting or disconnecting twisted- pair cable.

!Caution Allow enough space for the bending radius of the twisted-pair cable as shown in below.

35 mm

38

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Image 63
Omron CS1W-ETN21 operation manual Connecting to the Network, Ethernet Connectors, Connecting the Cable