User Manual

RBS 2101, RBS 2102, RBS 2103 and RBS 2202 Hardware Reference Manual
3.9.1 Climatic Conditions
The severity of these requirements is in conformity with: IEC 721-3-4 classes
4K2/4Z5/4Z7. and ETS 300 019-1-4 Class 4.1. In addition to this Ericsson
demands more rigorous values than stated by IEC and ETSI above.
The RBS shall be designed for a power loss of max. 48 hours. This applies
both to installation and operation.
Table 10 Climate limits for outdoor operation
Value Temp. Relative
humidity
Absolute
humidity
Change of
temp.
(1)
Normal
condition
-33 - +45

C
15 - 100%
0.26 - 25 g/m
3
0.5

C/min
Excep-
tional/Safe
function
-33 - +50

C
15 - 100%
0.26 - 25 g/m
3
0.5

C/min
Non destruction
-40 - +60

C
15 - 100%
0.26 - 25 g/m
3
0.5

C/min
(1) Average over a 5 minutes period.
3.9.2 Biological Conditions
The severity of these requirements is in conformity with: IEC 721-3-4 class
/4B1/ and ETS 300 019-1-4 Class 4.1.
3.9.3 Chemically Active Substances
The severity of these requirements is in conformity with: IEC 721-3-4 classes
/4C2(4C1)/ and ETS 300 019-1-4 Class 4.1.
Note: The values are average yearly levels of airborne contaminants that can
be accepted. It is assumed that one of the contaminants is dominant at
each site, and that the other is present in insignificant amounts.
3.9.4 Mechanically Active Substances
The severity of these requirements is in conformity with: IEC 721-3-4 class
/4S2/ and ETS 300 019-1-4 Class 4.1.
3.9.5 Mechanical Conditions
The severity of these requirements is in conformity with: IEC 721-3-4 class
/4M5/ and ETS 300 019-1-4 Class 4.1.
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EN/LZT 720 0023 Uen R3B 2010-06-10