B.2 Rs-422/485 - Black Box 2-Port RS-232/422/485 User Manual

B.2 RS-422/485

Table A-2. Pinout of Connector Set to RS-422/485
Abbreviation
GND
TX +
TX-
RTS+
RTS-
RX+
RX-
CTS+
CTS-
Name
Ground
Transmit Data Positive
Transmit Data Negative
Request To Send Positive
Request To Send Negative
Receive Data Positive
Receive Data Negative
Clear To Send Positive
Clear To Send Negative
APPENDIX B: Connector Pinouts
Pin #
5
4
3
6
7
1
2
9
8
Mode
Output
Output
Output
Output
Input
Input
Input
Input
27