YINETTECH 8pcs DB9 9-Pin D-Sub PCB Solder Connectors Mount 4 Male And Female Compatible with RS232 Ports Set

DB9 RS232 compatibility: 9 pin PCB solder connectors work with COM ports on desktop PCs, industrial controllers, PLCs, CNC equipment, test benches and teaching labs; compatible with RS232 devices for repairs and builds. Construction and signal: metal shell and thermoplastic insulator with tin plated contacts support stable connections; through hole PCB legs allow secure soldering for prototypes, maintenance and small batch production runs. Mixed gender set: includes 4 male and 4 female DB9 to cover board interfaces, loopback fixtures and adapter builds; standard mounting holes accept common jack screws and panels used in enclosures and test rigs. Use cases and function: suited for DIY electronics, robotics, retro computing, CNC upgrades and embedded projects; routes RS232 signals for modems, adapters and converters when paired with the correct transceiver circuitry. Size and install: standard 9 pin D Sub layout with two row pin arrangement; PCB solder tails match typical through hole spacing; color silver shell and black insulator help quick identification during assembly.