Safety Instrucon
Dangers
• The socket-outlet shall be installed near the equipment and shall be easily accessible.
• An all-pole mains switch shall be incorporated in the electrical installaon of the building.
• Do not connect several devices to one power adapter as adapter overload may cause over-heat
or re hazard.
• If smoke, odors or noise rise from the device, turn 
o the power at once and unplug the power
cable, and then please contact the service center.
• Shock hazard! Disconnect all power sources before maintenance.
• If the product does not work properly, please contact your dealer or the nearest service center.
Never 
aempt to disassemble the device yourself. (We shall not assume any responsibility for
problems caused by unauthorized repair or maintenance.)
Cauons
• The equipment has been designed, when required, modied for connecon to an IT power
distribuon system.
• This equipment is suitable for mounng on concrete or other non-combusble surface only.
• The serial port of the equipment is used for debugging only.
•
• Install the equipment according to the 
instrucons in this manual.
• To prevent injury, this equipment must be securely 
aached to the oor/wall in accordance
with the installaon instrucons.
• No naked ame sources, such as lighted candles, should be placed on the equipment.
• Do not place the device in extremely hot (refer to the specicaon of the device for the detailed
operang temperature), cold, dusty or damp locaons, and do not expose it to high
electromagnec radiaon.
• The device cover for indoor use shall be kept from rain and moisture.
• Exposing the equipment to direct sun light, low 
venlaon or heat source such as heater or
radiator is forbidden (ignorance can cause re danger).
• Please use a 
so and dry cloth when clean inside and outside surfaces of the device cover, do
not use alkaline detergents.
• Please keep all wrappers 
aer unpack them for future use. In case of any failure occurred, you
need to return the device to the factory with the original wrapper. Transportaon without the
original wrapper may result in damage on the device and lead to 
addional costs.
DS-K2M061 Secure Door Control Unit User Manual
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