Intel TPC-1070 - Manual (Page 52)

TPC-1070 User Manual 40
Appendix A Serial Port Settings
A.1 COM1/ COM3 Connector Definition
A.2 COM4 Setting
The serial port COM4 on the TPC-1070 is adjustable. It can be set to RS-
232, RS-422 or RS-485. This port is designed with auto data flow control
capability. In other word, the TPC-1070 can automatically detect the data
flow direction at this port when the two wired RS-485 communication is
activated.
Pin Signal
1 NDCD
2 NRX
3 NTX
4 NDTR
5 GND
6 NDSR
7 NRTS
8 NCTS
9 NRI
6
5
9
1