Raisecom RC802-240B Manual do Utilizador descarregar pdf (Página 13)

Raisecom Technology Co., Ltd

6. Appendix A Introduction of Cable Making

A.1 E1 Cable

• 75 Ohm signal adopts DB37 coaxial adapter:

SYV 75-2-2 coax cable, the distance shall not be longer than 200m.

First pick out the CC3-K3 connector from the accessories, and release the tail

protecting jack. Secondly, separate the core from the shield, and put the tail protecting jack

on it. Solder the strand with the core of the CC3-K3 connector. Solder the cable shield with

the shield of the CC3-K3 connector. Finally, fix the jack at the end of the connector.

• 120 Ohm signal adopts DB37 male connector:

DB37 Pin

Definition

Channel 2

Channel 3

Channel 4

Channel

OUT 3, 4 7, 8 11, 12 15, 16

IN 21, 22 25, 26 29, 30 33, 34

Others - GND

1 2 ... 8 9 10 11 12 13 14

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Raisecom RC802-240B Manual do Utilizador Página 13