Ovation 1C31169G01 - Page 24

2-4. Interface Connections
2/99 2-17 U3-1021
Westinghouse Proprietary Class 2C
Table 2-3. Pin Assignments for J2 Applications Port RS-485/RS-422 Four-Wire Interface
Pin Number Signal Name (Function) Signal Direction
1 RX- Input
2 RX+ Input
3 TX+ Output
4 TX- Output
5 Com (Isolated Common)
6
7
8
9
Top View of J2 Connector
1
6
5
9