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14
5.1C
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 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.
Primary Input Active
Secondary Input Active
B
A
5. Configuration and Operation (continued)
5.2 Remote Monitoring and Control
The PDU provides remote monitoring
A
,
outlet control
B
(see section 2. Feature Set
Overview for models that support outlet
control) and more via Web browser, telnet and
SNMP-based Network Management Systems.
For more information about configuration and
operation of the PDU via the PowerAlert Web
browser interface, refer to the
SNMPWEBCARD User's Guide, included on
the CD-ROM bundled with the PDU.
21-02-124 933E0A.indb 1421-02-124 933E0A.indb 14 3/25/2021 2:19:11 PM3/25/2021 2:19:11 PM
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