rs232 db9 male female pinout bility | Connects to female ports or sockets | Connects to male pins | RS232 DB9 Pinout Configuration The Standard Pinout The RS232 DB9 connector pinout defines what signals are assigned to each pin. The typical K Kristie Rempel Nov 10, 2025
pc interfacing practical guide to centronic rs232 Ground | | 4, 6, 7, 8, 20 | Various control signals | RTS, CTS, DTR, DSR, DCD | In Centronic configurations, the signals are mapped to specific pins, which may differ from standard DB9/DB25 layouts. Consulting detailed pinout diagrams is essential. Practical Steps for PC to Cent P Patrick Feeney Mar 18, 2026