Auerswald COMfortel D-XT-PS Betriebsanleitung Seite 10

Connecting Safely
Connect the device as described in these Instructions. Take note of the
technical data on the type plate and in these Instructions. Only connect
the device's connection cables to wall sockets that are designed for that
purpose, have been properly installed, and are easily accessible.
Arrange for a qualified electrician to install all the cables inside the
building.
Ensure you comply with the relevant regulations when handling supply
voltage and devices attached to the mains.
Location Characteristics
Only operate the device in enclosed, dry spaces.
Never cover the device.
Limitations on Use
Never use a damaged device. If you need to replace a damaged device,
disconnect the fuse on the power supply before touching that device. If
a device is damaged, dispose of it.
Do not touch the device during an electrical storm.
The power supply is only suitable for devices as defined by its proper
use. Never use the power supply on other devices. The power supply
could damage these devices or start a fire.