dallmeier DDF4920HDV-DN-IM, Пусконаладка

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DDF4920HDV-DN-IM Commissioning
6 Requirements
General
Unfavourable local conditions may shorten the life of the product and may cause
malfunctions or damages.
Do not install/operate the device in places
• with a large amount of dust and dirt,
• with steam or oil vapours (e.g. kitchen),
• with direct sunlight,
• with strong heat emissions (e.g. radiator),
• with improper ambient temperatures,
• near sources with strong radiation (e.g. radio transmitters, magnetic fields),
• with corrosive surroundings (e.g. gases, salt water),
• with insufficient air ventilation (e.g. closed cabinet).
Operation
Observe the following notes for the operation of the device:
• The device can be powered via PoE (Power over Ethernet, Class 0, IEEE 802.3af)
or supplied with a separate 12 V DC power supply unit.
However, always beware not to use both power sources simultaneously.
• Always ensure the correct polarity when using a separate 12 V DC power supply
unit.