Emb-b75a, Dio connector, Emb-b75a serial port connectors – AAEON EMB-B75A User Manual
Page 30: Emb-b75a dio connector
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EMB-B75A
2-22
8. Serial port connectors (10-1 pin COM1, COM2)
These connectors are for serial (COM) ports. Connect the serial port module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
NOTE: The COM module is purchased separately.
9. DIO connector
EMB-B75A Serial port connectors
PIN 1
COM2
DCD TXD GND RTS
RI
RXD DTR DSR CTS
PIN 1
COM1
DCD TXD GND RTS
RI
RXD DTR DSR CTS
EMB-B75A DIO connector
PIN 1
DIO1
DIO_I#1 (GP22) DIO_I#3 (GP64) DIO_O#1 (GP36) DIO_O#3 (GP35)
+V5S
DIO_I#2 (GP47) DIO_I#4 (GP16) DIO_O#2 (GP34) DIO_O#4 (GP12) GND
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