DB9 RS232 Breakout Board Solder-Free Terminal Block Adapter, Male & Female D-SUB Serial Breakout Connector with Protective Housing

This DB9 RS232 breakout module integrates male and female DB9 D-SUB serial ports with screw terminal blocks, realizing direct signal splitting and lead-out of 9 serial pins without soldering. Each pin is clearly labeled for intuitive wiring, greatly simplifying serial circuit modification, testing and maintenance work.

Equipped with an integrated protective housing, it effectively prevents short circuits caused by exposed metal contacts and blocks dust interference during long-term industrial use. The screw-type terminal design enables quick wire disassembly and replacement, suitable for frequent wiring adjustments in laboratory testing and on-site equipment debugging.

It supports standard RS232 serial signal transmission, perfectly matching industrial PLC controllers, frequency converters, temperature transmitters, serial testing instruments and access control equipment. Compact size is easy to install inside equipment cabinets, an essential auxiliary accessory for serial communication wiring transformation.