S-7105 is a D-tap male to female connector of 90° conversion. It is specially designed for D-tap extension of SWIT S-8U63 and S-8U93 batteries using on Sony PMW-FS7 camera. On SONY new camera PXW-FS7, the D-tap output socket of SWIT compatible battery S-8U63 or S-8U93 is blocked by the camera structure.
So you can use S-7105 connector to extend the battery D-tap socket by 90° angle, and connect with other on-camera devices to power.