Acura Embedded AcuPanel 17 - Manual (Page 23)

Chapter 2: Jumpers and Connectors
RS422
Pin
1
2
3
4
5
6
7
8
9
Definition
COM1_TXD-: Transmit Data Negative
COM1_TXD+: Transmit Data Positive
COM1_RXD+: Receive Data Positive
COM1_RXD-: Receive Data Negative
COM1_GND
COM1_RTS-: Request To Send Negative
COM1_RTS+: Request To Send Positive
COM1_CTS+: Clear To Send Positive
COM1_CTS-: Clear To Send Negative (Could be a +5V
Power Pin)
COM3 Port and Connector: Serial Port RS232
(Ring or +5V Power for Pin 9)
Connector type: 9-pin D-Sub
2x5 10-pin header, 2.0mm pitch
Connector location: CN9
2
1
10
9
RS485
Pin
1
2
3
4
5
6
7
8
9
Definition
COM1_TXD-: Transmit Data Negative
COM1_RXD-: Receive Data Negative
COM1_TXD+: Transmit Data Positive
COM1_RXD+: Receive Data Positive
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve (Could be a +5V Power Pin)
RS232
Pin
1
2
3
4
5
6
7
8
9
10
Definition
COM3_DCD
COM3_RXD
COM3_TXD
COM3_DTR
COM3_GND
COM3_DSR
COM3_RTS
COM3_CTS
COM3_RI (Could be a +5V Power Pin)
GND
18