Specifications

Safety Information
Safety-2
 If anything seems wrong, immediately turn off the power.
z If smoke or an unusual smell is coming from the switch, or if liquid is spilled into the switch or a foreign
object falls into the switch, immediately turn off power to the switch as described below. Continuing
operation could result in a fire or electric shock.
Actions to take for abnormal conditions
 Do not allow any foreign objects to get into the switch
z Do not insert or drop any foreign objects, such as anything metallic or flammable, through the switch's
ventilation slots. Doing so could result in a fire or electric shock.

When pressing the reset button
z When pressing the reset button, do not use anything that might break or shatter easily or anything that
might become caught in the switch, such as a pin or paper clip. Doing so could result in a fire or electric
shock.

Do not alter the physical makeup of the switch
z Do not alter the physical makeup of the switch. Doing so could result in a fire or electric shock.

Do not subject the switch to shocks
z In the event that the switch is dropped or any of its components damaged, turn off the power, unplug the
power cable, and contact maintenance personnel. Continuing operations could result in a fire or electric
shock.
Abnormal condition Action to take
AC model
AC (PoE) model
When an emergency power
unit (EPU) is not used
Turn off the switch and unplug the power cable.
When an EPU is used Turn off the switch and the power module supplying power to the
switch, and then unplug the power cables.
DC model Turn off the switch and then turn off the power supply circuit
breaker.
Redundant power
model
When an AC power supply
is installed
Turn off the power to all the power supply units installed in the
switch, and unplug the power cables.
When a DC power supply is
installed
Turn off the power to all the power supply units installed in the
switch, and then turn off the power supply circuit breaker.
EPU Turn off the EPU power, and unplug the power cable.