English
Proper Use
The COMfortel D-XT-PS is a power supply unit for
providing a direct power supply for 2 or 3 COMfortel D-
XT20/D-XT20i key extension modules or the COMfortel
D-600.
Safety information
To ensure that you are able to use the COMfortel D-
XT-PS safely and without faults, comply with the notes
below. Improper use may, for example, cause functional
restrictions, destruction of the device or, in a worst case
scenario, personal injury. You will find any necessary
additional warning notices about using the device in the
relevant sections.
Read these Instructions and keep them for future
reference.
Also comply with the safety Information in the Instructions
for your telephone.
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 PBX in closed, dry rooms.
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