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Install the Megabit Modem CRA-C

Megabit Modem CRA-C User Manual 13

Table 4.

ADSL Pin Assignments for RJ-45 Connector

Pin Signal

1 Not Used

2 Not Used

3 Not Used

4 ADSL (Ring)

5 ADSL (Tip)

6 Not Used

7 Not Used

8 Not Used

Connect to the Data Network

The 10BASE-T MDI-X port connects the Megabit Modem CRA-C to the data

network. If the data network has an MDI-X port, use the yellow cross-over

Category 3 or better cable. If the data network has an MDI port, use the black

straight-through Category 3 or better cable.

Table 5 and Figure 5 show the 10BASE-T Ethernet interface data signals for

both MDI and MDI-X configurations.

Table 5.

10BASE-T Interface Control Signals

MDI Pin MDI-X Pin Signal Description

1 3 TD+ Transmit Data (+)

2 6 TD- Transmit Data (-)

3 1 RD+ Receive Data (+)

44- -

55- -

6 2 RD- Receive Data (-)

77- -

88- -

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 85 86

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