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Powerware
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9PrestigeSeriesUser’sGuide (600 VA- 1800 VA) www.powerware.com
Using the PowerPass
The PowerPass provides a high level of reliability with surge suppression
and continuous online power for your equipment. It also maximizes
uptime by providing a second source of power and surge protection. The
PowerPass allows you to:
Replace or upgrade the UPS without losing power to your equipment
Provide surge protection if the UPS is not present
Provide extra surge protection when the UPS is present
Increase the number of output receptacles
Protect a laser printer against power surges without overloading
the UPS
This Maintenance Bypass feature is useful when replacing the UPS for
maintenance or upgrades. Figure 11 shows the operation of the UPS
with the PowerPass.
In
Out
Battery Battery
PowerPass
Utility Power
UPS
Battery
Laser Printer
UPS Load
Figure 11. UPS and PowerPass Block Diagram (UPS Operation)