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Cisco AVS 3120 Application Velocity System Hardware Installation Guide
OL-11805-01
Chapter 2 Preparing for Installation
Preparing Your Site for Installation
Environmental Requirements
When planning your site layout and equipment locations, remember the precautions described in this
section to help avoid equipment failures and reduce the possibility of environmentally caused
shutdowns. If you are experiencing shutdowns or unusually high errors with your existing equipment,
these precautions will help you isolate the cause of failures and prevent future problems.
Use the following precautions when planning the operating environment for your AVS 3120.
• Always follow the ESD-prevention procedures described in the “Protecting Against Electrostatic
Discharge” section to avoid damage to equipment. Damage from static discharge can cause
immediate or intermittent equipment failure.
• Make sure that the chassis cover is secure. The chassis allows cooling air to flow effectively within
it. An open chassis allows air leaks, which could interrupt and redirect the flow of cooling air from
internal components.
• Electrical equipment generates heat. Ambient air temperature might not be adequate to cool
equipment to acceptable operating temperatures without adequate circulation. Make sure that the
room in which you operate has adequate air circulation.
Choosing a Site for Installation
Warning
This unit is intended for installation in restricted access areas. A restricted access area is where
access can only be gained by service personnel through the use of a special tool, lock and key, or
other means of security.
Statement 1017
Follow these guidelines when choosing a site for installation:
• Choose a site with a dry, clean, well-ventilated and air-conditioned area.
• Choose a site that maintains an ambient temperature of 0° to 40°C
(32° to 104°F).
Ensuring Overcurrent Protection
The AVS 3120 relies on the protective devices in the building installation for protection against
short-circuit, overcurrent, and earth (grounding) fault. Ensure that the protective devices in the building
installation are properly rated to protect the AVS 3120, and that they comply with national and local
codes.
Grounding the AVS 3120
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection
authority or an electrician if you are uncertain that suitable grounding is available.
Statement 1024