Chapter 2 Hardware Configuration
2-4. COM PORT CONNECTOR
There are four COM ports enhanced in this board namely: COM1,
COM2, COM3 and COM4. COM1, COM3 and COM4 are fixed for
RS-232, while COM2 is selectable for RS-232/422/485.
COM1 :
COM1 Connector
The COM1 Connector assignments are as follows :
PIN ASSIGNMENT
1 NDCDA
2 NSINA
3 NSOUTA
4 NDTRA
5 GND
6 NDSRA
7 NRTSA
8 NCTSA
9 RIN1
COM1
COM2 :
COM2 Connector
The COM2 Connector assignments are as follows :
PIN ASSIGNMENT
RS-232
RS-422
RS-485
1 NDCDB
TX-
TX-
2 NSINB
TX+
TX+
3 NSOUTB
RX+
RX+
4 NDTRB
RX-
RX-
5 GND
GND
GND
6 NDSRB
RTS-
NC
7 NRTSB
RTS+
NC
8 NCTSB
CTS+
NC
9
RIN2
CTS- NC
COM2
Page: 2-6
PC 5171 USER
’
S MANUAL
Summary of Contents for PC 5171
Page 1: ...USER S MANUAL PC 5171 Socket 478 P4 P4 M 17 inch Panel PC System...
Page 9: ...Chapter 1 Introduction 1 2 CASE ILLUSTRATION PC 5171 USERc MANUAL Page 1 3...
Page 96: ...Appendix A System Assembly Diagram 2 PC 5171 USERcS MANUAL Page A 7...
Page 98: ...Appendix A System Assembly Diagram 2 PC 5171 USERcS MANUAL Page A 9...
Page 104: ...Appendix A System Assembly Diagram 2 Remove CD ROM PC 5171 USERcS MANUAL Page A 15...
Page 105: ...Appendix A System Assembly EXPLODED DIAGRAM FOR REMOVING MASK Page A 16 PC 5171 USERcS MANUAL...
Page 107: ...Appendix A System Assembly Diagram 2 Page A 18 PC 5171 USERcS MANUAL...
Page 108: ...Appendix A System Assembly Diagram 3 Diagram 4 PC 5171 USERcS MANUAL Page A 19...
Page 110: ...Appendix B Technical Summary BLOCK DIAGRAM Page B 2 PC 5171 USERcS MANUAL...