AXIOMTEK SBC84620 Series User Manual page 35

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SBC84620 AMD Geode GX3 All-in-One Capa Board User's Manual
2.4.12.3 COM2/COM4 Port Connector (CN10)
Pin Signal
1 NDCD2
2 NDSR2
3 NRX2
4 NRTS2
5 NTX2
6 NCTS2
7 NDTR2
8 NRI2
9 GND
10 N.C
2.4.12.4 COM1 (CN13) RS-422/485 Pin Assignment Table
Pin #
1
2
3
4
5
6
7
8
9
Jumpers and Connectors
Pin Signal
11 NDCD4
12 NDSR4
13 NRX4
14 NRTS4
2
15 NTX4
1
16 NCTS4
17 NDTR4
18 NRI4
19 GND
20 N.C
Signal Name
RS-422 RS-485
TX- DATA-
TX+ DATA+
RX+ No connector
RX- No connector
No connector No connector
No connector No connector
No connector No connector
No connector No connector
GND
CN10
20
19
GND
29