Dynamix 4-Band VDSL CO/CPE Modem Guía de usuario descargar pdf (Pagina 14)

Appendix A: Cable Requirement

A CAT 3,4 or 5 UTP (unshielded twisted pair) cable is typically used to connect the Ethernet device to the Modem.

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.

MNEMONIC FUNCTION

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

Table RJ-45 Ethernet Connector Pin out Assignments

+ Ethernet differential

ransmit si

nal

(

)

2 T

- Ethernet differential

ransmit signal(-)

3 R

+ Ethernet differential receive si

nal

(

)

4 NC Unused

5 NC Unused

6 R

- Ethernet differential receive signal(-)

7 NC Unused

8 NC Unused

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 27 28

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