User guide

TPC-1261H User Manual 44
Appendix A Serial Port Settings
A.1 COM1/ COM2/ COM3 Connector Definition
Pin Signal
1NDCD
2NRX
3NTX
4NDTR
5GND
6NDSR
7NRTS
8NCTS
9NRI
Note: COM1 and COM2 only support half-duplex
(Maximum baud rate: 115.2Kbps)
6
5
9
1