User manual

TPC-1770/1780 User Manual 16
3.1.1 CN1 (COM3, COM4), CN2A (COM1)
Serial Port RS232 Connector Definitions
PIN RS-232
1 NDCD
2NRX
3NTX
4NDTR
5GND
6NDSR
7NRTS
8NCTS
9NRI
6
5
9
1