Tripp-Lite PDUMH15AT Manuel Du Propriétaire page 8

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Configuration and Operation
continued
Quick Test
After installing the PDU and connecting
equipment, you may test the Automatic
Transfer Switch function by temporarily
shutting down the UPS system connected to the
Primary AC input. When the Primary input UPS
is no longer supplying AC power, the PDU will
Secondary Input Active
Primary Input Active
switch from the Primary input to the Secondary
input, and the Secondary input LED will
illuminate. When the Primary input UPS has
been restarted and resumes supplying AC power,
the PDU will switch back to the Primary input.
Note: The primary and secondary inputs must be connected to
separate sources of utility power. The automatic transfer switch
function will be compromised if the primary and secondary
inputs are connected to the same utility power source. Do not
perform a test with equipment that must remain in productive
operation. Any test procedure must prepare for the contingency
that the equipment may lose power. Do not test the PDU by
detaching power cords which are connected to live power
sources, as this eliminates the connection to ground and places
your equipment at risk.
Enhanced Operation
Installing an SNMP card (the most recent
version of model SNMPWEBCARD) in the
accessory slot of the PDU allows remote,
network-enabled control of the receptacles.
With the addition of the SNMP card, the PDU
provides precise remote load management,
including sequenced power-up, receptacle
control, environmental monitoring and
automatic load shedding. Call Tripp Lite
Customer Support at (773) 869-1234 for more
information.
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