Important Safety InstructionsPlease Follow the Instructions3This chapter contains important safety instructions for preventing bodily injuryand/or property damage. You are required to follow them.■Severity of bodily injury and/or property damage, which could result from incor-rect use of the switch, are explained below.This symbol indicates a potential hazard that could result inserious injury or death.This symbol indicates safety instructions.Deviation from theseinstructions could lead to bodily injury and/or property dam-age.■The following symbols are used to classify and describe the type of instructions tobe observed.This symbol is used to alertusers to what they must not do.This symbol is used to alertusers to what they must do.●Do not use power other than AC 100-240 V.Deviation could lead to fire, electric shock, and/or equipment failure.●Do not handle the power cord with wet hand.Deviation could lead to electric shock and/or equipment failure.●Do not handle this switch and connection cables during a thunderstorm.Deviation could lead to electric shock.●Do not disassemble and/or modify this Switching Hub.Deviation could lead to fire, electric shock, and/or equipment failure.●Do not damage the power cord. Do not bend too tightly, stretch, twist,bundle with other cord, pinch, put under a heavy object, and/or heat it.Damaged the cord could lead to fire, short, and/or electric shock.●Do not put foreign objects (such as metal or combustibles) into theopening (such as twisted pair port, console port, SFP expansion slot),and do not drop them inside the Switching Hub.Deviation could lead to fire, electric shock, and/or equipment failure.●Do not connect equipment other than 10BASE-T/100BASE-TX/1000BASE-T toa twisted pair port.Deviation could lead to fire, electric shock, and/or equipment failure.