EMAC PCM-9340F-0CA1, User Manual

Page: 95 / 118

87 Appx. C
C.3 COM 2 connector (CN3)
C.4 COM 1 RS-232 connector (CN4)
Table C.3: COM2 RS-232/422/485 series port (CN3)
Pin RS-232 port RS-422 port RS-485 port
1 DCD N/C N/C
2 DSR N/C N/C
3 RxD N/C N/C
4 RTS N/C N/C
5 TxD N/C N/C
6 CTS N/C N/C
7 DTR N/C N/C
8 RI N/C N/C
9 GND N/C N/C
10 N/C N/C N/C
11 N/C TxD+ DATA+
12 N/C TxD- DATA-
13 N/C RxD+ N/C
14 N/C RxD- N/C
Table C.4: COM1 RS-232 con-
nector
Pin Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
3
1
14
10
8
6
4
2
12
5
7
9
11
13
1 5
9 6
3 2 4
7 8