Sony BPU4800 Operating Instructions Manual page 9

They can also output signals with superimposed text
characters and markers.
w 3G/HD SDI OUTPUT connector (SLOT2 LIVE) (BNC
type)
Outputs video signals from the video camera as 3G-SDI
signals or HD-SDI signals.
The same signal is output from each connector grouped in
pairs.
x AC power supply unit
Connects to an AC power outlet using the power cord.
The unit can be equipped with two power supply units to
provide power supply redundancy. When used in systems
where reliability is required, a second power supply unit
allows the unit to continue operation if one of the supplies
fails.
9