Owner manual

Industrial Motherboard IMBI-QM57
Chapter 2 Quick Installation Guide 2 - 13
2.18 CD-IN Pin Header (CN6)
Pin Signal
1 CD-R
2 CD-GND
3 CD-GND
4 CD-L
2.19 COM1~2 Port LED Connector (CN8)
Pin Signal Pin Signal
1 COM1_RS232_PWR 2 GND
3 TX_LED_COM1 4 GND
5 RX_LED_COM1 6 GND
7 COM2_RS232_PWR 8 GND
9 TX_LED_COM2 10 GND
11 RX_LED_COM2 12 GND
13 COM2_RS485_PWR 14 COM2_RS422_PWR
2.20 COM3~4 Port LED Connector (CN9)
Pin Signal Pin Signal
1 COM3_RS232_PWR 2 GND
3 TX_LED_COM3 4 GND
5 RX_LED_COM3 6 GND
7 COM4_RS232_PWR 8 GND
9 TX_LED_COM4 10 GND
11 RX_LED_COM4 12 GND