
Important Information
5
This section includes necessary information for operating the devices safely. Before installing and commissioning the PBX, be
sure to read the safety information listed here. Also become familiar with the proper use of the device as well as the technical data.
Safety information
Warning: Improper handling of the device can result
in life-threatening electrical shock.
씮Only authorised dealers1may open the casing. If
necessary, have an authorised dealer commis-
sion the device.
씮Only authorised dealers1may perform installation
work within an open casing or service work using
the buttons inside the casing. If necessary, com-
mission an authorised dealer to perform this work.
Warning: Touching the voltage-carrying conductors
or the telephone connections may cause a life-threa-
tening electric shock.
씮Remove the power plugs for both the PBX and all
peripheral equipment from the power socket
before you open the casing.
씮If necessary, also disconnect the devices from
auxiliary power sources (for example, UPS).
씮Only open the blue protective cover. Do not
remove the tightly screwed casing cover. This
prevents accidental contact which may result in a
shock from hazardous voltages. Make sure that
any repairs requiring the casing cover to be remo-
ved are carried out by the manufacturer. Remo-
ving or destroying the protective caps covering
the screws voids the warranty.
씮Only mount the components (for example, expan-
sion modules) in a voltage-free state.
씮Only operate the device when the casing is
closed.
씮Only operate the device when it is mounted on the
wall.
씮For some installation and maintenance work, it is
necessary to open the PBX while it is in operation.
Make sure that the PBX is never left unattended
while working with an open casing.
씮Make sure there is always adequate insulation if
you touch voltage-carrying lines.
씮Be sure to follow the relevant -regulations when
handling 230 V system voltage and devices
attached to mains.
Warning: Liquid penetrating the casing may cause a
life-threatening electric shock.
씮Only operate -PBX in closed, dry rooms.
씮Only clean the device with a soft moist cloth or
anti-static cloth.
Warning: Damaged connection lines as well as
damage to the casing and to the PBX can cause life-
threatening electrical shocks.
씮Only connect the device connection cable with
sockets that are designed for that purpose.
씮Make sure that the Schuko socket for connecting
the PBX is properly connected (according to VDE
0100). The power socket must be located near the
PBX and be freely accessible at all times.
씮Replace damaged connection lines immediately.
씮Always have a professional carry out repairs
immediately. Please contact your dealer or the
manufacturer directly.
Warning: Power surges, which can occur during
electrical storms, can cause life-threatening electric
shocks
씮Therefore, do not mount the PBX during an elec-
trical storm. Avoid disconnecting and connecting
lines during an electrical storm.
씮Lay all cable inside the building – including the
cable to the door terminal system.
Attention: Unauthorised changes to the device can
damage the PBX or breach security and EMC regula-
tions.
씮Always have a professional carry out repairs.
Please contact your dealer or the manufacturer
directly.
Attention: Exceeding (even temporarily) the thres-
hold values indicated in the technical data can
damage or even destroy the PBX.
씮Note the threshold values indicated in the techni-
cal data for voltage, electricity, performance,
ambient temperature and humidity.
Attention: Electrostatic charges can destroy sensi-
tive components.
씮Divert electrostatic charges from yourself before
touching the circuit boards with your hands or any
tools. To do this, touch a metal object, preferably
earthed, for example, a heater or computer hou-
sing.
Attention: Power surges, which can occur during
electrical storms, may damage or destroy the PBX.
씮Protect the devices by installing overvoltage pro-
tection.
씮Lay all cable inside the building – including the
cable to the door terminal system.
1These are persons that are trained for this purpose (e.g. certi-
fied electricians). They must be properly trained for working in
an area with potentially hazardous voltage. Authorised dealers
are made aware of the dangers they are exposed to when car-
rying out this type of work, and are able to reduce the risk to
themselves and others as much possible.