Installing Power Supply; Inserting The Power Supply - Cisco Catalyst 9500 Series Hardware Installation Manual
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Installing Power Supply
• Remove the power supply from its shipping container and remove any packaging.
• You need the following additional tools and equipment:
• The chassis is connected to an earth ground.
• You have receptacles for the power sources within reach of the power supply cables.
• If you are connecting to a DC power, check that you are using power cables to connect to the power
• If you are installing more than one DC-input power supply, each must be protected by a dedicated circuit
• The power sources are rated as follows:
• The power supply is already inserted into the chassis.
Caution
Ensure that the power source is OFF. As an added precaution, place the appropriate safety flag and lockout
devices at the source power circuit breaker, or place a piece of adhesive tape over the circuit breaker handle
to prevent accidental power restoration while you are working on the circuit.
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Installing Power Supply
Inserting the Power Supply
To insert the power supply into the chassis, follow these steps:
Cisco Catalyst 9500 Series Switches Hardware Installation Guide
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• Nut driver attachment for number 1 Phillips-head screwdriver or ratchet wrench with torque capability
(used only for DC-input power supplies).
• Grounding wire — Size this wire to meet local and national installation requirements. For U.S.
installations, you must use an 8-14 AWG copper conductor for AC power supply systems. For
installations outside the U.S., consult your local and national electrical codes. The length of the
grounding wire depends on the proximity of the switch to proper grounding facilities.
supply. The wire size applies to the negative [-], and positive [+] cables that connect to negative and
positive apertures on the connector. You have to procure the power cable.
breaker or a fuse that is sized according to the power supply input rating and the local or national electrical
code requirements.
• For North American AC-input installations—16A with 110V circuits.
• For North American DC-input installations—(–48 VDC nominal at 37 A in North America (operating
range: –40.5 to –56 VDC).
• For international installations—Size the circuits by local and national standards.
Installing Field Replaceable Units
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