B-Box (RED® KOMODO®) attaches to the camera-right BP-9 battery slot and provides a breakout for the camera’s EXT connector. Battery Slide Pro V-Mount or Gold Mount for KOMODO can be used simultaneously and custom right-angle compatible connector allows for neat cable run. Canon BP-9 batteries could also be attached in camera-left slot while B-Box is used. Available ports include: R/S (3-pin Fischer)- simple run/stop for Handgrip Trigger Box, Simple 3-pin Fischer Trigger Cable, etc.- no power available- devices like ARRI WCU-4 may require CTRL port interface with cable K2.0015758- pin1: GND, pin2: N/C, pin3: GPI Timecode (5-pin)- standard wiring for timecode in/out- pin1: GND, pin2: LTC-IN, pin3: N/C, pin4: N/C, pin5: LTC-OUT CTRL (4-pin)- standard wiring for RED® CTRL- pin1: GND, pin2: UART-RX, pin3: GPO, pin4: UART-TX 5V (USB)- 5V available at 500mA maximum- power may need to be enabled in camera menu Genlock (BNC)- standard wiring for genlock- center: signal, shell: GND Specifications:Weight: 100 g (0.23 lbs)Dimensions: 107.95 x 82.5 x 25.4 mm (4.25 x 3.25 x 1 in)