Connecting A 3-Kw Ac Power Supply To An Ac Power Source; Warning Statement 1018-Supply Circuit; Step 1 - Cisco Nexus 9508 Hardware Installation Manual
Nx-os mode switch
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Installing a Chassis
• When using two power sources, it is easiest to manage the routing of power cables if you route the power
All power supplies must be powered by either AC power sources or DC power sources, not by a mix of
Note
AC and DC power sources.
You turn on the switch as soon as you connect its power supplies to one or two power sources.
Statement 1004—Installation Instructions
Warning
Read the installation instructions before connecting the system to the power source.
Statement 1018—Supply Circuit
Warning
Take care when connecting units to the supply circuit so that wiring is not overloaded.
Connecting a 3-kW AC Power Supply to an AC Power Source
Step 1
For each 3-kW AC power supply, connect an AC power cable to the AC power source and to the power receptacle on
the power supply.
Step 2
Verify that the Output Power LED turns on and becomes green.
◦ For n+n redundancy mode, there must be two equal sets of power supplies, each of which can
power all of the modules in the chassis and each set is connected to a separate power source. If
one power source goes down, the power supplies connected to the other power source can power
the switch. The maximum number of power supplies is the number of power supplies required for
combined power plus the same number of power supplies (n+n) for redundancy.
DC power supplies have two power feeds, each with a positive (+) wire and a negative
Note
(-) wire. For simpler routing of power cables, you should connect both feeds to the same
power source. Alternatively, you can connect each feed to a separate power source but
that makes the routing of power cables more complicated.
cables for one power source along the left side of the chassis and route the power cables for the other
power source along the right side of the chassis. The power cables on the left side should connect to
power supplies in the left-most power supply slots, and the power cables on the right side should connect
to power supplies in the right-most power supply slots. If you are not filling all of the power supply
slots, fill the slots on the sides for now and leave the middle slots open (covered with power supply slot
blanks to preserve the designed airflow) until you need to add more power supplies.
Connecting a 3-kW AC Power Supply to an AC Power Source
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
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