User's Manual

Figure 23: Cell centres
Rules and guidelines for selecting cell centres
Comply with the following when selecting cell centres.
•
Ensure that the installation complies with local electrical codes.
• Install basestations indoors where there is no condensation and the temperature remains
between 0°C and 50°C.
• Install basestations within 1500 metres of the MDF. Wiring from the basestation to the
shelf or cabinet must be at least UTP Cat 3. Avaya recommends UTP Cat 5, as it provides
a greater line length before signal degradation occurs.
• Position basestations upright on walls. Basestations must be at least 30 centimeters from
the ceiling.
• Position basestations at least 1 m from large concrete or stone columns and from any
major building structural members such as support beams or columns.
• Position the basestations high enough to clear obstructions between the basestations
and the cell edge close to the ceiling.
• Mount the basestations clear of obstacles such as pipes or ducts.
• Do not install basestations in spaces that transport air, such as ducts or plenums.
• Do not mount basestations on the ceiling.
Site planning
60 DMC DECT Fundamentals August 2012
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