Rack And Cabinet Requirements - Cisco Nexus 9508 Hardware Installation Manual
Nx-os mode switch
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- Hardware installation manual (118 pages) ,
- Hardware installation manual (116 pages)
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Rack and Cabinet Requirements
For combined mode or n+1 redundancy mode, you need only one dedicated circuit. For n+n redundancy, you must have
two dedicated power circuits, with each circuit powering half of the 3-kW power supplies. The requirements for each
circuit are listed in the following table.
Power Supply
3-kW AC power supply (N9K-PAC-3000W-B)
3-kW Universal AC/DC power supply
(N9K-PUV-3000W-B)
3-kW DC power supply (N9K-PDC-3000W-B)
Step 6
Plan the placement of the input power receptacles within reach of the power cables used for each power supply (see the
following table for the maximum distances).
Typically, power receptacles are placed on the rack with the switch.
Power Supply
3-kW AC power supplies
3-kW Universal AC/DC power supplies
3-kW DC power supplies
All power supplies installed in the same switch must be powered by either AC power sources or DC power
Note
sources, not by a mix of AC and DC power sources.
Rack and Cabinet Requirements
You can install the following types of racks or cabinets for your switch:
• Standard perforated cabinets
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
14
Number of Circuits
1 (combined mode or n+1 redundancy
mode)
2 (n+n redundancy mode)
1 (combined mode or n+1 redundancy
mode)
2 (n+n redundancy mode)
1 (combined mode or n+1 redundancy
mode)
2 (n+n redundancy mode)
Maximum Distance Between Receptacle and Power Supply
8 to 12 feet (2.5 to 3.5 m)
14 feet (4.27 m)
Customer provides four 6-gauge wires (recommended) and cuts that
wire to the required length. Cisco provides four 6-gauge lugs to connect
those wires to the DC power supply.
Preparing the Site
Requirement for Each
Circuit
16 A at 200 to 240 VAC
AC power: 200 to 277
VAC
DC power: 240 to 380
VDC
45A at -40 to -75 VDC
(-48 VDC nominal US)
(-60 VDC nominal
international)
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