This expansion unit offers extension of system connectivity with multiple input and output terminals including Genlock/Sync Out, Remote B (RS-422), Ethernet, DC Out (24V, 2A), a lens control port and a V-mount battery mount with D-Tap for compatibility with third party battery systems. CINE-SERVO or B4 lenses connected to the LENS terminal can be controlled from the camera. This unit is ideal for moviemaking and high-end television productions.