Serial port pin specifications 15, Serial port pin specifications – Solvline PB30xx+ User Manual
Page 15
Portbase User Guide
15
3. Serial Port Pin Specifications
- RS232
- RS422
- RS485
Pin Specifications
1
RTS
RS232 Signal (RequestTo Send)
2
DTR
RS232 Signal (Data Terminal Ready)
3
RXD
RS232 Signal (Receive Data)
4
DSR
RS232 Signal (Data Set Ready)
5
TXD
RS232 Signal (Transmit Data)
6
GND
RS232 Signal (Signal Ground)
7
DCD
RS232 Signal (Data Carrier Detect)
8
CTS
RS232 Signal (Clear To Send)
RX+
RS422 Signal (Receive Data +)
TX+
RS422 Signal (Transmit Data +)
TX-
RS422 Signal (Transmit Data -)
RX-
RS422 Signal (Receive Data -)
TRX+
RS485 Signal (Transmit/Receive Data +)
TRX-
RS485 Signal (Transmit/Receive Data -)
1
RTS
2
DTR
3
RXD
4
DSR
5
TXD
6
GND
7
DCD
8
CTS
1
TX-
2
3
RX+
4
RX-
5
TX+
6
GND
7
8
1
TRx-
2
3
4
5
TRx+
6
GND
7
8