PPC-3151SW/3181SW/3211SW/324W-P7 User Manual
32
3.3
External COM Ports and Pin Definitions
Figure 3.2 Location of COM1 and COM2 ports
COM1:
RS-232
COM1 Pin 9 is set as “RI” by default. This setting can be changed to 5 V or 12 V out
-
put using a jumper.
COM2:
RS-232/422/485
Note!
COM2 does not support ring function.
Pin
COM1
COM2
RS-232
RS-232
RS-422
RS-485
1
DCD
DCD
TX-
DATA-
2
RXD
RXD
TX+
DATA+
3
TXD
TXD
RX+
NC
4
DTR
DTR
RX-
NC
5
GND
GND
NC
NC
6
DSR
DSR
NC
NC
7
RTS
RTS
NC
NC
8
CTS
CTS
NC
NC
9
Ring or 5V/12V output
RING
NC
NC
Summary of Contents for PPC-3151SW
Page 16: ...PPC 3151SW 3181SW 3211SW 324W P7 User Manual 8...
Page 34: ...PPC 3151SW 3181SW 3211SW 324W P7 User Manual 26...
Page 41: ...Chapter 4 4 Software Setup Driver Installation BIOS Setup Program...
Page 54: ...PPC 3151SW 3181SW 3211SW 324W P7 User Manual 46...
Page 55: ...Appendix A A BSMI RoHS...
Page 57: ...Appendix B B China RoHS...