Chapter 2 ’Installation and Startup’ — Mounting in Rack
42 Amethyst III DTV Smart Switch
User Manual
Mounting in Rack
Amethyst III can be operated from a bench or mounted in a rack but the
ventilation and safety requirements given in this section must be
observed in all cases.
The chassis must not be fixed with its rack mounting ears only. If you
intend to install it in a rack, L-profiles are required and you must
observe the ventilation and safety instructions described in the
following sections.
Installation Requirements
This section lists the principles to be observed and the steps to be taken
when installing Amethyst III in a 19" rack.
Restrictions must be observed:
Related to ventilation (see
Section ’Ventilation’
on page 42)
Related to cable (see
Section ’Cabling’
on page 44)
Related to EMC ground (see
Section ’EMC Ground’
on page 44)
Related to Power supply and protective ground (see
Section ’Power
Supply and Protective Ground’
on page 45)
Ventilation
The airflow through the equipment is critical for maintaining the proper
temperature range. The following precautions should therefore be
observed:
As air is circulating inside the equipment from left to right (as seen
from front), allow at least 50 mm free air-space on each side of the
equipment.
Figure 2-1. Cooling air flow
The cooling air flow direction depends of the platform hardware version.
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