Evalue Technology ECM-3610 - Pin Header Serial Port 2 Connector in RS-422 Mode (CM1); Signal Description - Serial Port 2 - COM2 in RS-422 Mode (CM1); Pin Header Serial Port 2 Connector in RS-485 Mode (CM1)

ECM-3610/3610L
ECM-3610/3610L User’s Manual 23
3.7.4 Pin Header Serial Port 2 Connector in RS-422 Mode (CM1)
Signal PIN Signal
Tx- 1 2 Rx+
Tx+ 3 4 Rx-
NC 5 6 NC
NC 7 8 NC
NC 9 10 NC
3.7.5 Signal Description – Serial Port 2 – COM2 in RS-422 Mode (CM1)
Tx +/- Serial output. This differential signal pair sends serial data to the communication link. Data is
transferred from Serial Port 2 Transmit Buffer Register to the communication link, if the RTS
register of the Serial Port 2 is set to LOW.
Rx +/- Serial input. This differential signal pair receives serial data from the communication link.
Received data is available in Serial Port 2 Receiver Buffer Register.
3.7.6 Pin Header Serial Port 2 Connector in RS-485 Mode (CM1)
Signal PIN Signal
DATA- 1 2 NC
DATA+ 3 4 NC
NC 5 6 NC
NC 7 8 NC
NC 9 10 NC