Samsung SNB-5000 User Manual page 4

overview
Disconnection Device
Disconnect the main plug from the apparatus, if it's defected. And please call
a repair man in your location.
When used outside of the U.S., it may be used HAR code with fittings of
an approved agency is employed.
CAUTION
These servicing instructions are for use by qualified service personnel only.
To reduce the risk of electric shock do not perform any servicing other than
that contained in the operating instructions unless you are qualified to do so.
The BNC output port is used to monitor the installation process of the
network camera.
If you keep the BNC cable connected, a risk of lightening may cause damage
or malfunction to the product.
4_ overview