Follow these guidelines when you mount a network engine:
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Ensure that the mounting surface can support the network engine and any user-supplied enclosure.
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Mount the network engine in the correct orientation (horizontal preferred, vertical acceptable).
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Mount the network engine on an even surface in wall mount applications whenever possible.
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Mount the network engine in areas free of corrosive vapors and observe the environmental limitations listed in the SNE technical specifications section.
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Do not mount the network engine on surfaces that are prone to vibration, such as duct work, or in areas where electromagnetic emissions from other devices or wiring can interfere with network engine communication.
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Allow sufficient space for cable and wire runs and terminal connections.
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Mount the power supply above the network engine to ensure adequate heat dissipation and to position close to the power wiring conduit.
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Do not install the network engine in an airtight enclosure. Make sure the enclosure offers sufficient ventilation to ensure the temperature in the enclosure does not exceed 50°C (122°F).
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Mount the network engine so that the enclosure wall or the transformer does not obstruct ventilation of the network engine housing.