Dell H955N User Manual page 7

Providing outstanding performance and reliability, the UPS's unique benefits include:
S Buck and Boost voltage regulation that ensures regulated voltage to your load by correcting voltage
fluctuations.
S The UPS filters and regulates incoming AC power and provides consistent power to your
equipment without draining the battery.
S 4U size that fits any standard 48 cm (19") rack.
S Start‐on‐battery capability for powering up the UPS even if utility power is not available.
S Maintenance is simplified by allowing the safe replacement of batteries without powering down the
UPS.
S Extended runtime with an optional External Battery Module (EBM).
S Emergency shutdown control through the Remote Emergency Power-off (REPO) ports.
S Two standard communication ports (USB and RS-232 serial port).
S Optional Dell Network Management Card with enhanced communication capabilities for
increased power protection and control.
S Advanced power management with the Dell UPS Management Software for graceful shutdowns
and power monitoring.
S Sequential shutdown and load management through separate receptacle groups called load
segments.
S Firmware that is easily upgradable without a service call.
S Backed by worldwide agency approvals.
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Introduction