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Power Module Overview
DC Power Supplies
• NXK-DC-4.4KW-A: The 4.4KW power supply that accepts a nominal input voltage of 48V 60A DC,
with an operational tolerance range of -40 to -72 VDC.
Figure 24: PWR-4.4KW-DC-V3
Note
The power mode switch must be in the same position for all power trays installed in the chassis, either 60A
or 100A mode.
Figure 25: Power Mode Switch on the Power Tray
1
A plug cover is also provided to block the access to the power mode switch as shown in the below figure:
Cisco Nexus 9808 NX-OS Mode Switch Hardware Installation Guide
40
Power mode switch.
Powering on the Switch
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