Cisco C-series Nexus 5020 Instrukcja instalacji sprzętu - Strona 12
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Replacing or Installing Power Supplies
Verify the power supply operation by checking that the power supply LED is green.
Step 6
Wiring a DC Power Connector
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement
Warning
1022
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
Warning
installation. Install only in accordance with national and local wiring regulations. Statement 1045
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. Statement 1046
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place. Statement 1075
Before installing a DC power supply to the switch, you will need to attach DC connection wires that you
provide (10 GA recommended) to the DC power connector included in the DC power supply's accessory
kit. To wire the connector:
Using a 1/8" flat head screwdriver or No. 1 Phillips head screwdriver, loosen the set screws on the
Step 1
connector to freely accept the power wires. The connector will accept 8-24 AWG wires, use what your
local electrical code calls for.
Step 2
Strip 1/2" of insulation off the DC wires you will use.
Step 3
Insert the black (DC negative) wire into the right aperture on the connector and tighten down the
connection set screw. Finger tight or about 3 ft./lbs should be sufficient.
Step 4
Insert the red (DC positive) wire into the left aperture on the connector and tighten down the connection
set screw. Do not tighten over 0.7 Nm.
Cisco Nexus 5000 Series Hardware Installation Guide
4-12
Chapter 4
Replacing Components