Norms For Rack Mounting - Televes SAT-RF Manuel D'utilisation

User manual
7.- NORMS FOR RACK MOUNTING (max. 35 QPSK-PAL - 7 subracks with 5 units in height - 8.7")
7.1.- Installation of the rack with ventila-
tion facilities.
To facilitate the renewal and circulation of
the air inside the rack, thus reduce the unit
temperature and in consequence improve
the characteristics, it is advisable to place 2
ventilation units of 25W, particularly when
the rack with the QPSK-PAL is located in a
warm place, with a temp. higher than 40°C.
Front
Subracks
fig. 2
fig. 1
These ventilators will be placed on a tray,
that is screwed onto the top part of the rack,
fig. 1 and 2, and in this way the ventilators
will be able to extract the air from the
QPSK-PAL and will be able to expel it via
the gap (approx. 3-5 cm) at the top of the
rack. New air will then enter again through
the bottom part of the rack, fig. 3
To mount the units in the rack with
ventilation, you must mount a blank plate
ref. 5073 between the modules to allow the
correct ventilation of the equipment, fig. 4.
fig. 3
33
SAT-RF
5073
fig. 4