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SubCompact Board GENE-8310
Chapter 2 Quick Installation Guide 2-14
Port 7 CN4. pin 7 Bit 1 U35. pin 26 (GPIO21)
Port 8 CN4. pin 8 Bit 0 U35. pin 27 (GPIO20)
2.14 Front Panel (CN5)
Pin Signal
1-2 ATX Powe
r
-on Button
3-4 HDD Active LED
5-6 External Speaker
7-8 Power LED
9-10 System Reset Button
2.15 Serial Port COM2 Connector (CN6)
COM2/ RS-232 Mode
Pin Signal Pin Signal
1 DCDB 2 RXB
3 TXB 4 DTRB
5 Ground 6 DSRB
7 RTSB 8 CTSB
9 RIB 10 N/C
COM2/ RS-422 Mode
Pin Signal Pin Signal
1 TXD- 2 RXD+
3 TXD+ 4 RXD-
5 N/C 6 N/C
7 N/C 8 N/C