• Two 930-W DC power supplies
Both power supplies must be the same type. Do not mix AC, DC, and HVAC/HVDC power supplies in the
same chassis.
Note
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
Some of the power supply modules have rating capabilities that exceed the switch requirements. When
calculating your power requirements, use the switch requirements to determine the amount of power that is
required for the power supplies.
Note
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 30A 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 240-350VDC).
Warning
Cisco Nexus 93180LC-EX NX-OS Mode Hardware Installation Guide
8
Preparing the Site
Planning for Power Requirements
Содержание Nexus 93180LC-EX
Страница 6: ...Cisco Nexus 93180LC EX NX OS Mode Hardware Installation Guide vi Contents ...
Страница 14: ...Cisco Nexus 93180LC EX NX OS Mode Hardware Installation Guide 4 Overview Overview ...
Страница 22: ...Cisco Nexus 93180LC EX NX OS Mode Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...
Страница 66: ...Cisco Nexus 93180LC EX NX OS Mode Hardware Installation Guide 56 LEDs LEDs ...