SMC Networks 1232 Series J18 for Ethernet

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Table 18. J13 Pin out Connector
PIN SIGNAL
1 +VDD
2 N.C.
3 GND
J18 for Ethernet
The SpacePC 1232 module features a single-chip Fast Ethernet controller that provides 32-bit
performance, 10/100Mbps auto-sensing, and full compliance with IEEE 802.3u 100Base-T
specifications and IEEE 802.3x Full Duplex Flow Control.
Ethernet connector J18 is a 5x2 pin with 2.54-mm step. Refer to the following table for the
Ethernet connector assignment.
Ethernet
J18
Figure 20. J18 Connector layout
Table 19. J18 Ethernet Connector
Pin# Signal Function
1 5V Power Supply
2 LED0 On sending packets
3 RX+ 100/10Base-T receive data
4 RX- 100/10Base-T receive data
5 LED1 Link 10/100
6 GND Ground signal
7 LED2 On receiving packets
8 GND Ground signal
9 TX+ 100/10Base-T transmit data
10 TX- 100/10Base-T transmit data
Note: To establish a connection to the Ethernet, the Parvus Ethernet Adapter can be
plugged between the board (to the J18 connector) and the net cable.