The method and apparatus includes an uninterruptible power supply along
with its rechargeable battery and a plurality of video protection
circuits all within a common chassis. The video protection circuits are
configured to protect the digital video recorder from surges introduced
at the video cameras or cabling. The uninterruptible power supply is
configured to provide power to the digital video recorder should a line
voltage power failure occur and may also include a surge protector to
further protect the digital video recorder from power line surges. Since
all components are housed substantially within a common chassis, a method
of isolating the video protection circuit and associated connectors from
the radio frequency noise within the common chassis is described as well
as a method and apparatus to allow removal and replacement of the video
protection circuits should a power surge destroy them.