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Full-Size CPU Card SBC- 780
Chapter 2 Quick Installation Guide
2 - 19
2.23 COM1 RS-232 Serial Port Connector (CN13)
Pin
Signal Pin
Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C
2.24 Power Connector (CN14 / CN15)
CN14
Pin
Signal Pin
Signal
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 GND 13 GND
4 +5V 14 PS_ON
5 GND 15 GND
6 +5V 16 GND
7 GND 17 GND
8 POWER OK 18 -5V
9 +5VSB 19 +5V
10 +12V 20 +5V