• Mar 18, 2026 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 By Patrick Feeney
