Unpacking The Switch; Establishing The System Ground - Cisco Catalyst 9500 Series Hardware Installation Manual

Switch Installation
When installing or replacing the unit, the ground connection must always be made first and disconnected
Warning
last. Statement 1046
Installation of the equipment must comply with local and national electrical codes.. Statement 1074
Warning
Warning Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams
or view directly with optical instruments. Statement 1051

Unpacking the Switch

Note Do not discard the shipping container when you unpack the switch. Flatten the shipping cartons and store
them with the pallet. You will need these containers if you need to move or ship the switch in the future.
Check the contents of the accessory kit. Verify that you received all listed equipment, which should include
the following:
• Grounding lug and disposable ESD strap.
• Optional equipment that you ordered, such as console cables, transceivers, or special connectors.
• Blank covers are installed for the power supply slots on the chassis.

Establishing the System Ground

This section describes how to connect a system ground to the switch.
Installations that rely solely on system grounding using only an AC third-prong ground run a substantially
Caution
greater risk of equipment problems and data corruption than those installations that use both the AC
third-prong ground and a properly installed system ground.
The system ground provides additional grounding for EMI shielding requirements and grounding for the low
voltage supplies (DC-DC converters) on the modules. You must observe the following system grounding
guidelines for your chassis:
• You must install the system ground connection with any other rack or system power ground connections
• You must connect both the system ground connection and the power supply ground connection to an
• When using DC-input power supplies, you must install the system (ground before you attach the source
that you make. The system ground connection is required if FXS modules are installed or if this equipment
is installed in a U.S. or European Central Office.
earth ground. The system ground connection is required if FXS modules are installed or if this equipment
is installed in a U.S. or European Central Office.
DC power cables to the DC PEM. Power down the chassis before attaching the system ground.
Cisco Catalyst 9500 Series Switches Hardware Installation Guide
Unpacking the Switch
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