2 Pack DB9 Screw Terminal Block Adapter, D-SUB 9 Pin RS232 Female to 9+1 Pin Serial Terminal Breakout Board Connector Module with Housing

This DB9 RS232 breakout board features a D-SUB 9-pin female port converted to 9+1 way screw terminal blocks, enabling simple and neat serial wiring. It is fully compatible with standard RS232 serial devices, industrial controllers, PLC, and serial communication modules. The screw terminal design allows fast wire connection and replacement, no soldering required. Equipped with a matched protective housing for effective insulation, anti-short circuit and long-term stable use. Compact structure and easy installation, ideal for serial port debugging, industrial wiring, DIY electronic projects and equipment maintenance.