Hirschmann MACH104-20TX-F Series, User Manual

Page: 5 / 38

MACH104
Release 09/09
5
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Shielding ground
The shielding ground of the connectable twisted pair lines is connected to
the protective conductor connection via the front panel.
Beware of possible short circuits when connecting a cable section with
conductive shielding braiding.
„
Housing
Only technicians authorized by Hirschmann are permitted to open the
housing.
The device is grounded via the voltage supply socket.
Make sure that the electrical installation meets local or nationally ap-
plicable safety regulations.
The ventilation slits must not be covered so as to ensure free air circu-
lation.
The clearance to the ventilation slits of the housing must be at least
10 cm (3.94 in).
Warning!
Never insert sharp objects (small screwdrivers, wires, etc.) into
the inside of the product. There is the risk of an electric shock.
The device must be installed in the horizontal or upright posi-
tion, either as a table unit in the switch cabinet (see fig. 9) or on the
wall (see fig. 10) .
If you are operating the device in a 19" switch cabinet: install sliding/
mounting rails for holding the device
(see fig. 8) .
„
Environment
The device may only be operated at the specified maximum ambient tem-
perature (temperature of the surrounding air at a distance of up to 5 cm
(1.97 in) to the device) and relative air humidity (non-condensing).
Install the device in a location where the climatic threshold values
specified in the technical data are adhered to.
Only to be used in an environment with a pollution degree specified in
the technical data.
„
Qualification requirements for personnel
Qualified personnel as understood in this manual and the warning signs,
are persons who are familiar with the setup, assembly, startup, and oper-
ation of this product and are appropriately qualified for their job. This in-
cludes, for example, those persons who have been:
X
trained or directed or authorized to switch on and off, to ground and to
label power circuits and devices or systems in accordance with current
safety engineering standards;