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APPENDIX
Appendix: Pin Configurations
Figure A-1. RS-232 Pin Configuration.
2 - - - - - - - - - - - - - - - - - - - - - - - - - 3
3 - - - - - - - - - - - - - - - - - - - - - - - - - 2
4 - - - - - - - - - - - - - - - - - - - - - - - - - 5
5 - - - - - - - - - - - - - - - - - - - - - - - - - 4
6
8 - - - - - - - - - - - - - - - - - - - - - - - - - 20
20 - - - - - - - - - - - - - - - - - - - - - - - - 6
8
7 - - - - - - - - - - - - - - - - - - - - - - - - - 7
Figure A-2. Null Modem Pinning.
Direction
“DCE Female” Setting
Direction
—
—8 (DCD) Data Carrier Detect From Converter
—7 (SG) Signal Ground
—6 (DSR) Data Set Ready
—5 (CTS) Clear to Send
—4 (RTS) Request to Send
—3 (RD) Receive Data
—2 (TD) Transmit Data
—1 (FG) Frame Ground
To Converter
Data Terminal Ready (DTR) 20
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