![Ovation 1C31169G01 User Manual Download Page 30](http://html1.mh-extra.com/html/ovation/1c31169g01/1c31169g01_user-manual_1662198030.webp)
2-4. Interface Connections
2/99
2-23
U3-1021
Westinghouse Proprietary Class 2C
Figure 2-13. Generic RS-485/RS-422 LC Cabling Scheme
9-Pin Female J2 Applications Port
D Connector at G02
Other Device
Personality Module
RXD-
1
RXD+
2
GND
5
Signal
Name
Pin
Number
Signal
Name
TXD-
TXD+
GND
RTS-
RTS+
CTs+
1. Use loopbacks only if needed by device.
Notes
TXD+
3
RXD+
TXD-
4
RXD-
CTs-
2. Many RS-485/RS-422 devices have no ground connection.
In this case, leave GND pins disconnected.