2-4. Interface Connections
2/99 2-15 U3-1021
Westinghouse Proprietary Class 2C
Table 2-2. Pin Assignments for J2 Applications Port RS-232 Interface
Pin Number Signal Name (Function) Signal Direction
1 DCD (Data Carrier Detect) Input
2 RX/ (Receive Data) Input
3 TX/ (Transmit Data) Output
4 DTR (Data Terminal Ready) Output
5 Com (Isolated Common)
6 DSR (Data Set Ready) Input
7 RTS (Request to Send) Output
8 CTS (Clear to Send) Input
9 RI (Ring Indicator) Input
Top View of J2 Connector
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6
5
9
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