Guards against failure of one input circuit (grid); for grid redundancy, each input on the power supply is connected to an independent power feed (AC or DC), and power available to the system is the minimum power from either of the input sources or grids. Input source redundancy (grid redundancy). Hi All, One of our Nexus 7000 modules failed and generated the status below. It is a single The Cisco Nexus 7009 chassis has different clearance requirements for installations with four-post racks or cabinets, two-post racks with front-mount brackets, and two-post racks with center-mount brackets. When both inputs are connected, the output power is 7500W. Figure B-19 Clearances Required for a Center-Mounted Cisco Nexus 7009 Chassis in a Two-Post Rack. Available Output Power for Two 3.0-kW DC Power Supply Units, Table 4. Table 6. redundancy modes can be configured by the user: Combined mode, where the total They offer high-density 10, 40, and 100 Gigabit Ethernet with application awareness and performance analytics. The power redundancy For more information about Cisco Data Center Services, visit http://www.cisco.com/go/dcservices. Environmental Specifications for Cisco Nexus 7000 Series Switches, Physical Specifications for the Cisco Nexus 7000 Series Chassis, Power Specifications for Cisco Nexus 7000 Series Switches. For rack installations, we recommend a right-side clearance of either 6 inches (15.2 cm) between racks or 11 inches (27.9 cm) between the chassis and a wall. The following is the heat dissipation requirement for these switches: The Cisco Nexus 7000 Series switches are designed to work in a hot-aisle/cold-aisle environment using front-to-back, side-to-side, or side-to-back airflow. 2.Front depth is the minimal clearance required between the front-mounting rails and the inside of the front of the rack or cabinet. A second DC power cable supports two additional pairs of input connectors to the second power supply input, which extends the power range by allowing triple or quad input mode operation for up to of 6000W of output power. This mode guards against failure of one of the power supplies. 6.The Cisco Nexus 7018 switch uses up to four 7.5kW power supplies, the Cisco Nexus 7010 switch uses up to three 7.5-kW power supplies, and the Cisco Nexus 7009 uses up to two 7.5-kW power supplies. Use of multiple power supplies provides additional power capacity and resilience after failure of the power supply, the generating supply itself, or a facility component such as an uninterruptible power supply (UPS) or a circuit breaker. Table 3. The Nexus 7010 is one of the larger data center switches in the Nexus portfolio found in most enterprise-class data centers. 1.Width is the minimal clearance required between the two vertical mounting rails inside the rack or cabinet. Table 3 shows the power output provided by one 7.5-kW AC power supply module. Although the Nexus 7700 Multiple rack-mount options allow flexible positioning of the PIU for ease of installation and simpler management of DC power connections. 0-kW DC power supplies in the various redundancy modes. For the Cisco Nexus 7004 switch, you can route cables on the left or right side without interferring with coolant airflow, which goes in on the right side. How to Move Cisco’s Catalyst 6500 to the Terminals support industry-standard terminal lug nuts for AWG 4 cables (local electrical codes determine cable gauges). Monitoring detects short circuits and component failures in the power supply unit; if a failure is found, the unit is shut down. The 6.0-kW power supply supports operation with 110 and 220V on either or both of the two inputs, which results in different levels of output power for the different redundancy modes.
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