Cisco Nexus 3400-S, Руководство по установке оборудования

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Before you begin
• The replacement power supply must have the same wattage and airflow direction as the power supply
being replaced.
You can determine the airflow direction by looking at the coloring of the latch
on each power supply. The high voltage power supplies have either burgundy or
red latches for port-side intake airflow or they have blue latches for port-side
exhaust airflow. Note
• An HVAC/HVDC power source must be within reach of the power cable that will be used with the
replacement power supply. If you are using n + n power redundancy, there must be a separate power source
for each power supply installed in the chassis.
• There must be an earth ground connection to the chassis in which you are installing the replacement
power supply. HVAC/HVDC power supplies connected to AC power sources are automatically grounded
by their power cable when connected to the power supply and AC power source. HVAC/HVDC power
supplies connected to DC power sources have Saf-D-Grid power cables with three connectors on the
power source end--you connect one of those connectors to the earth ground.
Step 1 Remove an HVAC/HVDC power supply as follows:
a) Turn off the circuit breaker for the power feed to the power supply that you are replacing.
Be sure that the LEDs turn off on the power supply that you are removing.
b) Remove the power cable from the power supply by pressing the tab on the top of the Anderson Power SAF-D-Grid
connector and pull the cable and connector out of the power supply.
c) Grasp the power supply handle while pressing the colored release latch towards the power supply handle.
d) Place your other hand under the power supply to support it while you slide it out of the chassis.
Do not touch the electrical connections on the back side of the module and prevent anything else from
coming into contact with and damaging the connectors.
Caution
Step 2
Install the replacement power supply as follows:
a) Holding the replacement power supply with one hand underneath the module and the other hand holding the handle,
turn the power supply so that its release latch is on the right side and align the back end of the power supply (the end
with the electrical connections) to the open power supply slot before carefully sliding the power supply all the way
into the slot until it clicks into place.
If the power supply does not fit into the open slot, turn the module over before sliding it carefully into the
open slot. Note
b) Test the installation by trying to pull the power supply out of the slot without using the release latch.
If the power supply does not move out of place, it is secured in the slot. If the power supply moves, carefully press
it all the way into the slot until it clicks in place.
c) Attach the Saf-D-Grid end of the power cable to the electrical outlet on the front of the power supply.
d) Make sure that the other end of the power cable is attached to the appropriate power source for the power supply.
Cisco Nexus 3400-S Hardware Installation Guide
29
Replacing Modules
Replacing a High Voltage (HVAC/HVDC) Power Supply