Aaeon HSB-668I - Front Panel Connector (FP2); RS232 Serial Port Connector(COM1;COM3;COM4)2-10; RS232;422;485 Serial Port Connector (COM2)

Half-size CPU Card HSB-668I
Chapter 2 Quick Installation Guide 2-10
3 Power On Button(-) 4
Reset Switch(-)
5
IDE LED(+)
6
Power LED(+)
7
IDE LED(-)
8
Power LED(-)
2.12 Front Panel Connector (FP2)
Pin Signal Pin Signal
1
External Speaker(+)
2
KeyBoard Lock (+)
3
NC
4
GND
5
Internal Buzzer(-) (Default)
6
I2C Bus SMB Clock
7
External Speaker(-) (Default)
8
I2C Bus SMB Data
2.13 RS232 Serial Port Connector (COM1/COM3/COM4)
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
2.14 RS232/422/485 Serial Port Connector (COM2)
Pin Signal Pin Signal
1 DCD(422TXD-/485DATA-) 2 RXD(422RXD+)
3 TXD(422TXD+/485DATA+) 4 DTR(422RXD-)