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BDM-610000050 Rev A Chapter 3: Connecting the cpuModule 41
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 27 provides
the pinout of the Ethernet connector.
Table 26 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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