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3.0 Installation
3.6 Connecting equipment to the PowerCell (continued)
3.6.7 Once you have determined that your equipment and the UPS are compat-
ible, plug your equipment into the UPS’s rear panel output receptacles.
Note: Do not plug laser printers into your PowerCell! The power requirements of a
typical laser printer are much larger than the requirements of other computer peripherals
and may trip the UPS’s rear panel circuit breaker. Plug laser printers into an APC
SurgeArrest
®
surge suppressor. Remember that print jobs can be re-queued when the
power is restored!
3.7 Test for proper operation
After your PowerCell has had a chance to recharge its battery, turn on the UPS’s
power I/0 control and switch on your computer equipment. The indicator within
the switch should be illuminated and your equipment should operate normally.
To test the operation of your PowerCell, simply unplug its input cord to simulate
a utility blackout. The PowerCell will immediately transfer your equipment to
power derived from the UPS’s internal battery. During this time, the PowerCell
will emit a beep once every five seconds to remind you that your equipment is
operating from a source of power that is limited in duration. Restore power to
the PowerCell by plugging in the line cord. Observe that your equipment
operates normally during both transfer from utility power to UPS power and
back again. Repeat this test four or five times to ensure proper operation. See the