AAEON HSB-945P - Manual (Page 29)

H a l f - s i z e S B C H S B - 9 4 5 P
Chapter 2 Quick Installation Guide 2 - 16
2.25 Front Panel Connector (FP2)
Pin Signal Pin Signal
1 External Speaker (+) 2 Key Board Lock (+)
3 N.C 4 GND
5 Internal Buzzer (-) (Default) 6 I2C Bus SMB Clock
7 External Speaker (-) (Default) 8 I2C Bus SMB Data
Note: Internal Buzzer Enable: Close Pin 5,7
2.26 RS-232 Serial Port Connector (COM1)
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
2.27 RS-232/422/485 Serial Port Connector (COM2)
Pin Signal Pin Signal
1 DCD (422TXD-/485DATA-) 2 RXD (422RXD+)
3 TXD (422TXD+/485DATA+) 4 DTR (422RXD-)
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C
2.28 RS-232 Serial Port Connector (COM3, COM4)
Pin Signal Pin Signal
1 DCD 2 RXD