Operation Manual

Environment
DN9913471 © Nokia Networks Oy Internal Copy 15 (38)
Issue 1 en DRAFT 2 Draft
2.3.3 Mechanical conditions for operation
For mechanical conditions during operation, the Nokia MetroSite GSM BTS
complies with ETS 300 019-1-4:1992 class 4.1.
2.3.4 Ingress protection
The electronic components inside the units of the Nokia MetroSite GSM BTS are
protected against the ingress of rain, snow and dust to the minumum level of IP55
of European standard EN 60529, and level 3R of UL standard 50.
2.3.5 Acoustic noise
The maximum acoustic noise generated by the Nokia MetroSite GSM BTS is 61
dB (A) in an outdoor environment and 55 dB (A) for an indoor environment. The
acoustic noise is measured according to ISO 3744. The noise is sound power.
2.3.6 EMC shielding
The chassis and the units of the Nokia MetroSite GSM BTS together provide the
EMC shielding. The EMC shielding complies to the requirements set by the
following standards:
• GSM 11.21
• ETS 300, 342-3
• FCC part 15, class B
• FCC part 24
For more specific information refer to Nokia MetroSite GSM Base Station:
Product Description.
2.3.7 Safety
The cabinet fulfills the relevant safety requirements: EN 60215, EN 60950 and
UL 1950.
For more specific information refer to Nokia MetroSite GSM Base Station:
Product Description.