IBASE ASTUT-XX1-PC1S - Manual (Page 29)

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21 IBASE Technology Inc.
CN4: COM3 RS232 Serial Port
Pin # Signal Name
1 DCD
2 RX
3 TX
4 DTR
5 Ground
6 DSR
7 RTS
8 CTS
9 RI*/+5V/+12V
Note: Pin 9 supports RI/+5V/+12V function set by JP6.
CN5, CN6: USB2.0 Connectors
Pin # Signal Name
1 VCC
2 DATA-
3 DATA+
4 Ground
CN7, CN8: Gigabit LAN Connectors (Realtek RTL8111G-CG)
Pin # Signal Name
1 MDI0+
2 MDI0-
3 MDI1+
4 MDI1-
5 MDI2+
6 MDI2-
7 MDI3+
8 MDI3-