12SmartNode 4900 User Manual About this guideSafety when working with electricityThe SmartNode contains no user serviceable parts. The equipment shall bereturned to Patton Electronics for repairs, or repaired by qualified service per-sonnel. Opening the SmartNode case will void the warranty.Mains Voltage: Do not open the case when either power cord is attached. TheSmartNode router is equipped with dual power supplies. Disconnect bothpower supply cords before servicing. For systems without a power switch,line voltages are present within the power supply when the power cords areconnected. The mains outlet that is utilized to power the SmartNode routershall be within 10 feet (3 meters) of the device, shall be easily accessible, andprotected by a circuit breaker.The Model SN4900 is not shipped with power cables. For AC powered units,ensure that the power cable used meets all applicable standards for the coun-try in which it is to be installed, and that it is connected to a wall outlet whichhas earth ground.Hazardous network voltages are present in WAN ports regardless of whetherpower to the SmartNode is ON or OFF. To avoid electric shock, use cautionwhen near WAN ports. When detaching the cables, detach the end away fromthe SmartNode first.Because telephone line voltages can be dangerous, when detaching the net-work cables, disconnect the end away from the SmartNode first.Do not work on the system or connect or disconnect cables during periods oflightning activity.The Model SN4900 can only be configured with two AC powersupplies or two DC supplies, you cannot mix AC and DC sup-plies in the same chassis.In accordance with the requirements of council directive 2002/96/EC on Waste of Electrical and Electronic Equipment (WEEE),ensure that at end-of-life you separate this product from otherwaste and scrap and deliver to the WEEE collection system inyour country for recycling.WARNINGWARNINGWARNINGWARNINGWARNINGWARNINGCAUTION