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BDM-610000049 Rev G Chapter 3: Connecting the cpuModule 47
Ethernet (10/100Base-T and -TX) Connector (CN20)
The functionality of the Ethernet port is based on the Intel 82562 Fast Ethernet PCI controller. Table 31 provides
the pinout of the Ethernet connector.
Table 31 Ethernet Connector (CN20)
RJ-45 Pin 10-Pin DIL Pin Signal Function In/Out
31RX+Receive+ in
62RX–Receive– in
1 5 TX+ Transmit+ out
26TX–Transmit– out
4 3 CT Termination connected to pin 4 —
5 4 CT Termination connected to pin 3 —
7 7 CT Termination connected to pin 8 —
8 8 CT Termination connected to pin 7 —
— 9 AGND Ground —
—10AGNDGround —
97 5 3 1
AGND CT TX+ CT RX+
AGND CT TX– CT RX–
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