Specifications

Safety Information
Safety-13
When replacing a power supply unit or a fan unit with the Switch turned on,
observe the time limit.
 When performing a replacement as shown below with the Switch turned on, you must
remove and replace a unit within three minutes. If the operation takes longer than
three minutes, the temperature inside the Switch will rise and can cause a failure.
 When replacing a power supply unit or a fan unit on redundant power models
(AX3630S and AX3640S series models)
 When replacing a fan unit on a redundant power model (AX3650S series models)
 When performing a replacement as shown below with the Switch turned on, you must
remove and replace a unit within one minute. If the operation takes longer than one
minute, the temperature inside the Switch will rise and can cause a failure.
 When replacing a fan unit on a redundant power model (AX3830S series models)
Turn off the power before installing or removing a power supply module.
 Before installing or removing a power supply module, turn off its power. Installing or
removing the module with the power supply module turned on causes a (Switch)
failure. The following label is attached to the EPU.
Turn off the power of the power supply modules before turning on the main
power switch of an EPU.
 Before setting the main power switch of the EPU to ON, you must set the power
switches of the installed power supply modules to OFF.
Do not turn off the main power switch of an EPU if the standby power supply
unit is used for the Switch.
 Turning off the main power switch of an EPU stops the supply of all standby power to
the Switch. Do not turn off the main power switch if a standby power supply unit is
being used for the Switch.