Ericsson TT1222 Guia do Utilizador Página 27

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Installing the Equipment
2.3 Installing the Equipment
2.3.1 Fixing
The TT1222 is designed for fixed use only and has been shipped with fixing
brackets suitable for a standard 19 inch rack. When installed in a rack, it should be
secured by using the fixing brackets. In addition, support shelves must be used to
reduce the weight on the brackets. Ensure it is firmly and safely located and it has
an adequate free-flow of air.
Slide the receiver onto the chassis supports and affix to the rack by means of an
M6 x 18mm panhead screw in each corner.
A freestanding unit should be installed on a secure horizontal surface where it is
unlikely to be knocked or its connectors and leads disturbed.
2.3.2 Ventilation
2.3.2.1 Openings in the Covers
Openings in the cabinet are provided for ventilation. These ensure reliable operation
of the unit and protect it from overheating. These openings must not be blocked or
covered.
Figure 2.1: Openings in the Cabinet
2.3.2.2 Care in Positioning
Cautions!
The fan and openings contained within this unit are not fitted with a dust / insect
filter. Pay attention to the environment in which it is to be used.
Do not install units so that the air intake for one unit aligns with the outlet of another.
Provide baffles and adequate spacing.
The TT1222 should never be placed near or over a radiator or other source of heat.
It should not be placed in a built-in installation such as a rack unless proper
ventilation is provided and the instructions have been adhered to.
EN/LZT 790 0002/2 R1A
2-5
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