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A. Pinouts and Cable Wiring
The following topics are covered in this appendix:
Port Pinout Diagrams
RS-232 (male DB9) Pinouts
4W/2W RS-485/RS-422 (Terminal Block) Pinouts
Power Input and Relay Output Pinouts
Cable Wiring Diagrams
Serial Cables
Pin Assignments for DB9 and DB25 Connectors