Pigtail Breakout BNC to VGA Cable Selector and Usage Guide

If your connectors are as shown in the diagram below:

      

You need cables with connectors as shown below:

      

Pigtail adapters are used to convert connection type in use with a long run of another cable.  In the image shown below, it is used in conjunction with RGBHV BNC cable run.  The converter can be used at the source or at the display.

DC HD15M5BF1 VGA 15-pin Male to 5x BNC Receptacle (Female) Pigtail Cable

 
                        List of BNC to BNC (RGBHV) Cables