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Cisco Content Delivery Engine 100/200/300/400 Hardware Installation Guide
OL-13478-03
Chapter 2 Preparing to Install the Content Delivery Engines
Safety Guidelines

AC Power Option Warnings

These warnings apply only to CDEs with the AC power option.
Warning
The device is designed to work with TN power systems.
Statement 19
Warning
Connect the device to a grounded power outlet.
Statement 25

DC Power Option Warnings

These warnings apply only to CDEs with the DC power option.
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
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
Safety Guidelines
To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment, observe the
precautions in this section.

General Precautions

Observe the following general precautions for using and working with your system:
Observe and follow service markings. Do not service any Cisco product except as explained in your
system documentation. Opening or removing covers that are marked with the triangular symbol with
a lightning bolt may expose you to electrical shock. Components inside these compartments should
be serviced only by an authorized service technician.
If any of the following conditions occur, unplug the product from the electrical outlet and replace
the part or contact your authorized service provider:
The power cable or plug is damaged.
An object has fallen into the product.
The product has been exposed to water.
The product has been dropped or damaged.
The product does not operate correctly when you follow the operating instructions.
Keep your system components away from radiators and heat sources. Also, do not block cooling
vents.