dallmeier MDF4220HD, Commissioning

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MDF4220HD Commissioning
10 Cabling
The commissioning of the device may only be carried out by qualified personnel.
WARNING
Electric shock hazard
Danger of death or serious injury
➡
Always disconnect the PoE switch or the separate
power supply unit from the mains socket (pull out
the power plug) before connecting or disconnecting
the device.
NOTICE
Damage to the device resulting from improper power
supply
The device can be powered via Power over Ethernet
(PoE, 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.
In order to comply with UL’s requirements, always
use a UL-certified, Limited Power Source (LPS) Class 2
power supply unit when operating the device with a
separate 12 V DC power supply unit.