Environmental Capabilities
Table 11
Test frequency range
1-15 Hz
Required Response Spectrum
RRS
Shape of RRS
as IEC fig 3
Number of time scale histories
1/ testing direction
Duration of time scale histories
35 s
Number of testing directions
3
There are possibilities to equip the RBS with an optional Seismic
Exposure protection device.
3.10
Operation Outdoor -33
C - +55
C
This Environmental class corresponds in full to ’Operation Outdoor
-33
C - +45
C’ with the exception of the upper temperature limit.
3.11
Operation Mast Mounted Equipment -33
C - +45
C
This Environmental class corresponds to ’Operation Outdoor -33
C -
+45
C’ with the exceptions stated below.
Table 12
Environmental Parameters
Unit
Value
Normal Cond.
Non destruct.
Temperature
C
-33 - +45
-40 - +70
Change of temperature
C/min
6
6
Vibration sinus:
displacement
mm
3.0
acceleration
m/s
2
10
frequency
Hz
2 - 9
9 - 200
Vibration random:
ASD
m
2
/s
3
0.5
frequency
Hz
2 - 200
duration of
exposure
min
30
no. of test
directions
Hz
3
Fauna
none
Not Appl.
Not Appl.
3.12
Operation Mast Mounted Equipment -33
C - +55
C
This Environmental class corresponds to ’Operation Outdoor -33
C -
+55
C’ with the exceptions stated below.
30 (485)
EN/LZT 720 0008
P2A
2001-11-28
© Ericsson Radio Systems AB
— All Rights Reserved —
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Summary of Contents for RBS 2106
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