1-1
C
HAPTER
1
A
BOUT
THE
R
EDUNDANT
P
OWER
U
NIT
Overview
This Redundant Power Unit (SMCRPUPOE) can supply backup power to
one of four switches in the event of an AC loss or failure of an internal
power supply.
Features and Benefits
•
Monitors power status for up to four attached switches and provides
power to first attached unit with a detected power failure.
•
Provides the failed switch with 12 VDC supply of up to 200 W for
primary power, and -50 VDC of up to 360 W for PoE devices
(connected to the failed switch).
•
Indicator LEDs located on the front panel.
•
RPU AC line cord can draw power from a different supply circuit.
•
DC line cords provide backup power to attached devices.
•
Thermal overload protection prevents the RPU from overheating if a
thermal overload occurs.
Summary of Contents for RPUPOE
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