Ensure the pins are properly aligned for a successful connection. DB25 Solder Cup Connector - Male Connectors Pro PC Accessories DB25 Male D-Sub Solder Cup Connector, 25-Pack Product Name: VGA25 Connector; Connector Type: Male; Number of Positions: 25; Number of Rows: 2; Switching Type: Welding; Package Includes: 4 x VGA25 Connectors. How to use it?Plug the VGA connector into the appropriate port on the machine or CNC computer. The female and male adapter of the VGA connector connection between the cable and connector is very easy to connect and creates permanent connections from cable to connector. What should I notice?Be careful to match the pin configuration of the connector to the port to avoid damage. 25-pin Male VGA Connector Serial Port Breakout DB9 Connectors MECCANIXITY DB9 DB25 Solder Connectors | 25-Pin Male Female Serial Port Terminal Breakout | Pack Of 20 For CNC & Computers Male Female DB25 CNC Machine Serial Port Connector Use the appropriate tool to crimp the connector securely into place. DB9/DB15/DB25/37 plug socket serial port double row 9-core solder wire... The VGA connector is an electrical connector commonly used for serial port connections in mechanical equipment, CNC (Computer Numerical Control) machines, and computers. Easy to use and install, suitable for a variety of applications and projects.