Notes
10
Directions for the operation of the telephone system
•
This ISDN telephone system has been designed for use at ISDN connections ac-
cording to Euro ISDN protocol DSS1. Using the system on other connections
can cause malfunctions.
•
This ISDN telephone system has been designed and manufactured in accor-
dance with the “Information Technology Equipment Safety” standard (EN
60950). Only devices complying with this or an equivalent directive may be con-
nected to this ISDN telephone system.
•
Installation procedures must be carried out by a professional. Installation proce-
dures on the 230v mains network must be carried out by a qualified electrician.
VDE 0100 must be observed.
•
In case of any malfunction, please disconnect the unit from the line and detach all
ISDN connection cables.
•
The ISDN telephone system may not be installed and operated in the following
environments:
•
outdoors
•
in damp or wet rooms (bathroom, shower, swimming pool ...)
•
in surroundings prone to risk of explosion
•
in locations exposed to direct sunlight
•
at ambient temperatures below 0 °C or above 40 °C
•
in locations subject to severe shaking or vibration
•
in dusty areas
•
Lay the connecting cables carefully to avoid any danger of tripping. The connect-
ing cables must not be subjected to excessive pulling or bending or mechanical
loading. All connecting cables must only be used indoors.
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