Cisco Nexus C9316D-GX, Руководство по установке оборудования

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• Two 1100-W HVAC/HVDC power supplies
For
n
+1 redundancy, you can use one or two power sources for the two power supplies. For
n
+
n
redundancy,
you must use two power sources and connect each power supply to a separate power source.
Note
The power supplies are rated to output up to 1100 W, but the switch requires less than those amounts of power
from the power supply. To operate the switch, you must provision enough power from the power source to
cover the requirements of both the switch and a power supply.
To minimize the possibility of circuit failure, make sure that each power-source circuit that is used by the
switch is dedicated to the switch.
For AC input application, please refer to the following statement: Note
Statement 1005—
Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective devices are rated not greater than 20A (North America), 16A (Europe), and 13A (UK).
Warning
For DC input application, please refer to the following statement: Note
Statement 1005— Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent) protection.
• Ensure that the protective devices are rated not greater than 40A when the switch is powered with regular
DC power supplies (rated 48-60VDC).
• Ensure that the protective devices are rated not greater than 10A when the switch is powered with HVDC
power supplies (rated 240-380VDC).
Warning
We recommend 8-AWG wire for DC installations in the U.S. Note
For the power cables to use with the power supplies, see Power Cable Specifications, on page 36 .
Note
Cisco Nexus C9316D-GX ACI-Mode Switch Hardware Installation Guide
8
Preparing the Site
Planning for Power Requirements