
IIOT-I530 User Manual
19
Audio MIC1:
PIN
DESCRIPTION
1
GND_AUD
2
MIC_OUT_L
3
MIC1_JD
4
GND_AUD
5
MIC_OUT_R
COM1: Serial Port
PIN No.
DESCRIPTION
1
COM_DCD1#_P
2
COM_RXD1_P
3
COM_TXD1_P
4
COM_DTR1#_P
5
GND
6
COM_DSR1#_P
7
COM_RTS1#_P
8
COM_CTS1#_P
9
COM_RI1#_SEL
COM2: Serial Port
PIN No.
DESCRIPTION
1
COM_DCD2#_P
2
COM_RXD2_P
3
COM_TXD2_P
4
COM_DTR2#_P
5
GND
6
COM_DSR2#_P
7
COM_RTS2#_P
8
COM_CTS2#_P
9
COM_RI2#_SEL
DIO1: Isolation Digital Input / Output
PIN No.
DESCRIPTION
PIN No.
DESCRIPTION
1
RELAY1_COM1
2
RELAY1_NO1
3
DI_0
4
DI_1
5
DI_3
6
DI_2