SONY OPTICAL FIBER CCU AND CAMERA ADAPTER FOR HXC-D70 CAMERAS AND PMW-320/350/500 CAMCORDERS**:

• HXCU-FB70 Optical Fiber CCU (Distance of up to 250m including
  the power and signals of Tally, Intercom, Video Return and
  also Prompter - or up to 10km with single mode fiber and
  local power supply)
• CA-FB70 Optical Fiber Camera Adapter
  CBK-HD02 interface is required when the CA-FB70 is configured with PMW-500 (approx $2,000)
  CBK-CE01 50-pin interface is required when the CA-FB70
  is configured with PMW-350/320 (approx $1,500)

OPTIONAL ACCESSORIES:

• HXCE-FB70 power supply extension unit is also beneficial for
  systems that needs longer wiring - more than 250m and up to
  10km - but also requires a power supply to the camera. The
  HXCE-FB70 has the same power supply capability as the
  HXCU-FB70 CCU, and can pass all signals between the CA-FB70
  and HXCU-FB70 through either a single-mode optical fiber
  cable or a hybrid optical/power cable. (Power supply
  available Jan 2013 - Price TBD)