CTC Union VDTU01 Dokumentacja Pobierz pdf (Strona 12)

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Appendix A: Cable Requirements

A CAT 3,4 or 5 UTP (unshielded twisted pair) cable is typically used

to connect the Ethernet device to the converter.

A 10Base-T cable often consists of four pairs of wires, two of which are

used for transmission. The connector at the end of the 10Base-T cable is

referred to as an RJ-45 connector and it consists of eight pins.

The Ethernet standard uses pins 1,2,3 and 6 for data transmission

purposes.

Table RJ-45 Ethernet Connector Pin out Assignments

PIN MNEMONIC FUNCTION

1 TX+ Ethernet differential Transmit signal (+)

2 TX- Ethernet differential Transmit signal (-)

3 RX+ Ethernet differential receive signal (+)

4 NC Unused

5 NC Unused

6 RX- Ethernet differential receive signal(-)

7 NC Unused

8 NC Unused

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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CTC Union VDTU01 Dokumentacja Strona 12