A.9. Ethernet interface

The RJ45 Ethernet connector (J14a) is shown in Figure A.11. It is part of the combined RJ45 and Dual USB Type A connector J14, positioned on the rear panel. See USB interface for details of the combined Dual USB Type A connector (J14b) and Figure 3.3 for the location of the connector.

LEDA (green) and LEDB (yellow) are connected to the LAN9118 controller. The function of the LEDs is determined by registers in the controller. Typical usage is to monitor transmit activity and packet detection.

Figure A.11. Ethernet connector

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The signals on the Ethernet cable are shown in Table A.8.

Table A.8. Ethernet signals

PinSignal
1Transmit +
2Transmit -
3Receive +
4NC
5NC
6Receive -
7NC
8NC

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