Cisco Systems 4900 Series Switch User Manual


 
3-11
Catalyst 4900 Series Switch Installation Guide
78-18039-02
Chapter 3 Installing the Switch
Connecting DC Power to the Switch
From the system console, enter the show power command to display the power
supply and system status. For more information on this command, see the
command reference publication for your software release.
If the LEDs or show power command indicate a power or other system problem,
see
Chapter 5, “Troubleshooting the Installation,” for troubleshooting
information.
Connecting DC Power to the Switch
Follow these steps and warnings when connecting DC power to the Catalyst 4900
series switch:
Warning
Before performing any of the following procedures, ensure that power is
removed from the DC circuit.
Statement 1003
Warning
This unit is intended for installation in restricted access areas. A restricted
access area can be accessed only through the use of a special tool, lock and
key, or other means of security.
Statement 1017
Warning
This product requires short-circuit (overcurrent) protection, to be provided as
part of the building installation. Install only in accordance with national and
local wiring regulations.
Statement 1045
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