[. . . ] This product meets the requirements of the current European and national guidelines. The DMX-signals from up to 6 Wall Dimmers are merged (combined) in one 24ch. DMX-signal Perfect for bigger installations with several Wall dimmers in star configuration Extra DMX-input with automatic priority over the connected wall dimmers All 6 inputs provide 12Vdc power to the connected Wall Dimmers. [. . . ] If a foreign object enters the unit, immediately disconnect the mains power. No naked flame sources, such as lighted candles, should be placed on the appliance. Always unplug the unit when it is not used for a longer time or before you start servicing. The electrical installation should be carried out by qualified personal only, according to the regulations for electrical and mechanical safety in your country. Check that the available voltage is not higher than the one stated on the rear panel of the unit. The socket inlet shall remain operable for disconnection from the mains. The power cord should always be in perfect condition: switch the unit immediately off when the power cord is squashed or damaged. It must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard Never let the power-cord come into contact with other cables!This appliance must be earthed to in order comply with safety regulations. Always replace a damaged fuse with a fuse of the same type and electrical specifications!In the event of serious operating problems, stop using the appliance and contact your dealer immediately. Due to safety reasons it is prohibited to make unauthorized modifications to the unit. CAUTION: To reduce the risk of electric shock, do not remove the top cover. The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the use or the presence of un-insulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock. The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying this appliance. This symbol means: indoor use only This symbol means: Read instructions This symbol means: Safety Class I appliance ON/OFF SWITCH: used to switch the unit on/off. [. . . ] Every information is subject to change without prior notice You can download the latest version of this user manual on our website: www. Use CAT5e UTP cable for the connections between the LED Wall Dimmers and the inputs. This is standard Ethernet computer network cable that you can easily find in any computer shop. [. . . ]