User Manual

RBS 2101, RBS 2102, RBS 2103 and RBS 2202 Hardware Reference Manual
3.11.6 Mechanical Conditions
Table 18 Mechanical conditions for mast-mounted equipment, -33

C – +45

C
Environmental
Parameters
Unit Value
Vibration sinus:
frequency Hz
2-9
displace-
ment
mm
3.0
frequency Hz
9 - 200
acceleration m/s
2
0.5
Vibration random:
frequency Hz
2 - 200
ASD
(1)
m
2
/s
3
0.5
Shock:
peak acc. m/s
2
40
(2)
duration
ms
22
(1) Normal condition
(2) The requirement belong to Exceptional/Safe function with the exemption: performance of
the RBS shall be verified as ’no loss of calls’.
3.12 Operation Mast-Mounted Equipment -40

C – +55

C
In addition to the “Basic class” this class is aimed for even more exposed
situation such as: areas with expected higher temperature, ice falling from
structures above, mast and poles structure which will expose the equipment to
higher vibration probability, drifting snow and hail.
3.12.1 Climatic Conditions
This environmental class corresponds in full to “Operation Mast-mounted
Equipment -33

- +45

C” with the exception for requirement stated below.
23
EN/LZT 720 0023 Uen R3B 2010-06-10