User guide

Half-size SBC HSB-525I
Chapter 2 Quick Installation Guide 2 - 11
2.12 Front Panel Connector (FP1)
Pin Signal Pin Signal
1 Power On Button (+) 2 Reset Switch (+)
3 Power On Button (-) 4 Reset Switch (-)
5 HDD LED (+) 6 Power LED (+)
7 HDD LED (-) 8 Power LED (-)
2.13 Front Panel Connector (FP2)
Pin Signal Pin Signal
1 External Speaker (+) 2 Key Board Lock (+)
3 NC 4 GND
5 Internal Buzzer (-) 6 I2C Bus SMB Clock
7 External Speaker (-) 8 I2C Bus SMB Data
Note: Internal Buzzer enable: Close Pin 5,7
2.14 USB Connector (USB1/2)
Pin Signal Pin Signal
1 +5V 2 GND
3 USBD1- 4 GND
5 USBD1+ 6 USBD2+
7 GND 8 USBD2-
9 GND 10 +5V
2.15 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