
Environmental requirements
Environmental requirements for outdoor installations
Outdoor cabinet installations are exposed to variations in temperature, humidity, and
ventilation.
The 9927 Distributed Base Station cabinet has been weather-hardened. When equipped
with a heat exchanger, the cabinet will operate under the conditions described in the table
below.
Condition
Specification
Operating
temperature
-40 °C to +46 °C (-40 °F to +115 °F)
Extended operating
temperature
-40 °C to 50 °C (-40 °F to 122 °F)
Relative humidity
5 to 100% (non-condensing but not to exceed 0.024 kg water/kg of dry
air)
Enclosure rating
Type 3R (NEMA)
IP35 (IEC 60529)
Acoustic noise
suppression
65 dBA at 25 °C (77 °F) and sea level
Operating altitude
-60.96 to 1798 m (-200 to 5,900 ft.) above sea level
Extended operating
altitude
-60.96 to 3048 m (-200 to 10,000 ft.). An operating temperature
de-rating of 1 °C per 1000 feet above 6000 feet is allowed
Wind driven rain
Refer to Telcordia GR-487-CORE
Dust and water
ingress
Refer to Telcordia GR-487-CORE
Bullet resistance
Refer to Telcordia GR-487-CORE
Wind resistance
Refer to Telcordia GR-487-CORE
Storage requirements
Refer to Telcordia GR-63-CORE, Section 4.1.1
Minimum installation temperatures
Insulation on power cables tends to crack when handled at extremely cold temperatures.
Minimum installation temperatures have been established for this reason.
The following wire insulation types are affected :
•
Class B: THHN type insulation (T90 NYLON type insulation in Canada).
Basic site preparation requirements and footprints for 9927
Distributed Base Station outdoor cabinet
Site requirements for 9927 Distributed Base Station
Outdoor cabinet
Environmental requirements
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5-4
Alcatel-Lucent – Proprietary
Use pursuant to applicable agreements
9927 Dist BTS Outdoor
401-703-516
Issue 1
March 2012