Rackmount Standards - Televes T.0X COFDM-QAM CI User Instructions

8. Rackmount Standards (max. 49 COFDM-QAM CI - 7 subracks with 5U height - 8,7")
8.1. Installation of the rack with
ventilation facilities
To facilitate the renewal and circulation of the air
inside the rack, in order to reduce the temperature
of the units and improving their performances,
it is advisable to place 2 ventilation units of 25W,
particularly when the rack with the COFDM-
QAM CI is located in warm places, with ambient
temperatures higher than 45°C.
Frontal
Subrack
fi g. 1
These ventilators will be installed on a tray that is
fi xed on top of the cabinet (fi g. 1 & 2). This way, the
fans are forcing circulate the cool air that enters
through the base of the cabinet between the
modules, which is expelled through slots on top of
the cabinet (3-5 cm approx.). See fi g. 3.
fi g. 2
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fi g. 3