User`s guide

26
Installations
u CN11: COM1 Serial Port
CN11, a 10-pin header connector, is an onboard serial port of the
NuPRO-590. The following table shows the pin assignments of this
connector.
Pin #
Signal Name
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
10 NC
u CN10: COM2 Serial Port
CN10, a 10-pin header connector, is the onboard COM2 serial port of the
NuPRO-595. The following table shows its pin assignments.
Pin #
Signal Name
RS-232 R2-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+ NC
4 DTR RX- NC
5 GND GND GND
6 DSR RTS- NC
7 RTS RTS+ NC
8 CTS CTS+ NC
9 RI CTS- NC
10 NC NC NC