Installation, How to choose a site, Figure 3-2. proper cable and air clearance – Vanguard Managed Solutions 3400 Series User Manual
Page 40: Caution

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Installation and Replacement
Installing The Vanguard 3400 Series
Installation
How to Choose a
Site
Before you install the Vanguard 3400 Series, select a site for the device.
Choose a site that is within an appropriate distance of a power source. Depending on
your application, and the country in which the Vanguard 3400 Series is to operate,
the power source must be a grounded 110 to 220 Vac outlet.
Leave at least 2 inches (5 cm) of clearance in front of the front panel, to allow you to
see the front panel LEDs, and 6-inches behind the unit for cable clearances (see
Figure 3-2). For proper ventilation, leave 2 inches (5 cm) of clearance on the sides.
The site should be free of accumulated dust and environmental extremes. Refer to
Appendix A, Specifications for details.
Figure 3-2. Proper Cable and Air Clearance
Caution
Vanguard 3400 Series devices should be used in environments designed for
computers and electronic equipment. In areas susceptible to lightning, take
precautions to prevent damage to electronic equipment. Contact your telephone
company or an electronic accessories vendor for information on lightning protection
equipment. Customers experiencing problems caused by surges from lightning have
eliminated such problems by installing appropriate surge suppressors on power and
data lines.
Minimum 2-inches (5 cm) Front
and 6-inches (15 cm) Rear
Note: Do not remove the rubber
feet from the bottom of the
unit. They allow for proper
air flow.
Minimum 2-inches (5 cm)
on either side for ventilation.