Installing An Ac Power Supply; Connecting An Ac Power Supply To An Ac Power Source - Cisco MDS 9700 Series Hardware Installation Manual

Installing, Removing, and Verifying Field Replaceable Units
Warning
Warning
This section provides the following information:

Installing an AC Power Supply

Caution
To install an AC power supply in the Cisco MDS 9700 Series switch, follow these steps:
Step 1 Ensure that the system (earth) ground connection has been made. See the
Step 2
If a filler panel is installed, remove the filler panel from the power supply bay by loosening the captive screw.
Step 3 Ensure that the power switch is in the off (0) position on the power supply you are installing.
Step 4
Grasp the power supply handle with one hand, place your other hand underneath the power supply, and slide the power
supply into the power supply bay. Ensure that the power supply is fully seated in the bay.
Step 5
Plug the power cable into the power supply, and place the cable retention device to ensure that the cable cannot be pulled
out.

Connecting an AC Power Supply to an AC Power Source

To connect a 3-kW AC power supply directly to an AC power source, follow these steps:
Before you begin
Use one power cord to connect a 3-kW power supply to an AC power source and to ground the power supply.
Depending on the software power mode configured on the switch, either connect all of the power supplies to
one AC power source (grid) or half of the power supplies to the first independent AC power source (Grid A)
and the other half to a second independent AC power source (Grid B). A summary of the grid requirements
of each software power mode is shown in the
mds9000/hw/9700/mds_9700_hig/replace.html#59591.
your local and national electrical codes. The length of the grounding wire depends on the proximity
of the switch to proper grounding facilities.
• A flat-blade or number 2 Phillips-head screwdriver is required to perform these procedures.
Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock, keep
hands and fingers out of the power supply bays and backplane areas. Statement 166
Power supply captive installation screws must be tight to ensure protective grounding continuity. Statement
289
Use both hands to install and remove power supplies. Each AC power supply weighs up to 6 lb (2.7 kg).
"Proper Grounding Practices"
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/
Cisco MDS 9700 Series Switches Hardware Installation Guide
Installing an AC Power Supply
section.
169