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2. Installation and connection
2-3 Installation and connection (BY75SW)
Connection to back up your computer and peripherals
(1) Disconnect all computer and peripheral AC input plugs from the wall outlet (commercial power).
AC input plug
of the unit
Plug of connected
device
Connect it directly.
Use the attached 3P-2P
Conversion Plug.
Attached 3P-2P
Conversion Plug
Wall outlet
(commercial power)
Connect the
grounding wire to
the grounding
terminal equipped to
the building. (If no
grounding terminal
is available, a
means of grounding
must be
constructed.)
Wall outlet
(commercial power)
(4) When the installation and connection are complete, connect the AC input plug of this unit to a wall outlet
(commercial power).
When you connect the AC input plug of this unit to a wall outlet (commercial power), battery charging
automatically starts regardless of the on/off state of the Power Switch and charging completes within 12
hours.
< 3P wall outlet > < 2P wall outlet >
• This unit was charged before shipment, but if it is being used for the first time, the backup time may be
reduced due to natural discharge. We recommend charging the unit before use.
Computer
Modem or other
peripheral
Wall outlet
(commercial power)
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