User Manual

Cabinet descriptionNortel Networks Confidential 1–1
S8000/S8002/S8006 BTS Reference Manual
1 CABINET DESCRIPTION
1.1 Physical characteristics
1.1.1 S8000 Outdoor BTS
1.1.1.1 BTS cabinet
Physical characteristics
See document < 01 >, BSS Overview.
Operating temperature
To operate correctly, the BTS requires a temperature greater than –40°C (–40°F)
and less than +50°C (+122°F).
Power supply
See document < 01 >, BSS Overview.
The maximum power the cabinet can consume is 8500 W in worst case consumption
and in normal mode. This value does not take maintenance connectors and climatic
units currents into account.
Autonomy of the internal battery
The internal battery is an optional equipment located in the top compartment. The
battery backup time depends on the configuration and the BTS equipment and has
a length of around half an hour to a few hours.
1.1.1.2 Climatic system
The climatic system controls the inside temperature of the cabinet. Low noise or
normal operation is available. It is located in the top compartment of the cabinet.
The climatic system can either consist:
in two Air Cooling Units: ACUs,
or a Direct Ambient Cooling System: DACS or DACS “LN” (Low Noise).