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Cisco AVS 3120 Application Velocity System Hardware Installation Guide
OL-11805-01
Chapter 2 Preparing for Installation
Precautions for Products with Modems, Telecommunications, or Local Area Network Options
• Baffles can help to isolate exhaust air from intake air, which also helps to draw cooling air through
the chassis. The best placement of the baffles depends on the airflow patterns in the rack.
Experiment with different arrangements to position the baffles effectively.
Precautions for Products with Modems, Telecommunications,
or Local Area Network Options
Observe the following guidelines when working with these components:
• Do not connect or use a modem or telephone during a lighting storm. There may be a risk of
electrical shock from lightning.
• Never connect or use a modem or telephone in a wet environment.
• Do not plug a modem or telephone cable into the Ethernet connector.
• Disconnect the modem cable before opening a product enclosure, touching or installing internal
components, or touching an uninsulated modem cable or jack.
• Do not use a telephone line to report a gas leak while you are in the vicinity of the leak.
Required Tools and Equipment
You need the following tools and equipment to install the AVS 3120:
• Number 2 Phillips screwdriver
• Tape measure and level
• Antistatic mat or antistatic foam
• ESD grounding strap with an alligator termination clip