Ericsson RBS 2106 Hardware Reference Manual page 31

Table 11
Environmental Parameters
Vibration sinus:
Vibration random:
Shock:
1)
Safe function
2)
Non-destruction
3)
These requirements belong to the Safe function with one exemption:
performance of the RBS shall be verified as "no loss of calls".
Seismic Exposure
The complete equipped RBS shall be tested for seismic exposure.
Deviations shall be reported.
Safe function during seismic exposure. Deviations shall be reported.
Table 12
Test frequency range
Required Response Spectrum
Shape of RRS
Number of time scale histories
Duration of time scale histories
Number of testing directions
EN/LZT 720 0024 R2A
2002-11-01
Unit
displacement mm
acceleration m/s²
frequency Hz
no. of sweep cycles
no. of test directions
testing method
2
ASD m
2
ASD m
acceleration m/s²
acceleration m/s²
frequency Hz
testing method
peak acceleration m/s²
duration ms
pulse shape
no. of shock pulses
no. of test directions
testing method
1 - 15 Hz
RRS
as IEC fig 3
1/ testing direction
35 s
3
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Environmental Capabilities
Value
0.6
2 - 9
5
3
IEC 68-2-6
3
/s 0.1
3
/s 0.2
3.8
5.4
2 - 200
IEC 68-2-64
< 100 kg > 100 kg
250 100
6 6
half sine
500 per
direction
6
IEC 68-2-27
2
9 - 200
1)
2)
1)
2)
3)
23 (34)