Aaeon HSB-945P Manuel d'utilisateur télécharger pdf (Page 29)

Half-size SBC HSB-945P

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

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 56 57

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