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About this document This document details the safety precautions to be followed when working with the Nokia MetroSite EDGE Base Station. The instructions in Nokia MetroSite EDGE Base Station: Installation and Nokia MetroSite EDGE Base Station: Maintenance must be followed when installing the Nokia MetroSite EDGE Base Station and performing any maintenance on it.
Dangerous voltage Potentially lethal voltages are present within this system. For more information on grounding and on the power supply, refer to Nokia MetroSite EDGE Base Station: Requirements for Installation and Operation. The symbol shown in Figure 1 denotes dangerous voltage. The Nokia MetroSite EDGE Base Station is labelled with this symbol.
AC or DC power outlet is disconnected! WARNING The power switch of the Nokia MetroSite EDGE Base Station does not disconnect it from the power network (AC/DC). The power switch of the Nokia MetroSite EDGE Base Station power supply unit has two positions: ON and stand-by.
Weight WARNING The Nokia MetroSite EDGE Base Station weighs 28 to 40 kg (62 to 88 lb) depending on the number of TRXs. Lifting of the fully equipped BTS requires at least two people. High temperatures The symbol shown in Figure 3denotes a hot surface.
60° to 70°C (140° to 158°F). Toxic hazards 2.5.1 Beryllium oxide The Nokia MetroSite EDGE Base Station uses beryllium oxide (BeO), which can be harmful to human health. Beryllium oxide is used in: • Power amplifiers •...
Electromagnetic fields and RF power The Nokia MetroSite EDGE Base Station generates electromagnetic radiation. This can exceed safety levels very close to the antennas. Personnel must observe the general guidelines presented in Section 2.6.1, and apply the minimum distance calculation formula presented in Section 2.6.2.
Warnings WARNING Do not install the Nokia MetroSite EDGE Base Station or its antennas in areas where there is a potential risk for interference with inadequately shielded medical equipment, such as life supporting devices, hearing aids or other electrically or magnetically sensitive devices!
• maintain traceability • protect the units against static electricity Caution Handle the Nokia MetroSite EDGE Base Station with care. Do not drop the base station or the package containing it. 3.1.2 Weight Caution Persons in charge of the transportation and installation of the Nokia MetroSite EDGE Base Station must note that a fully equipped Nokia MetroSite base station weighs 28 to 40 kg (62 to 88 lb).
During operation, the interior of the Nokia MetroSite EDGE Base Station may reach high temperatures (60° to 70°C). The power supply unit of the Nokia MetroSite EDGE Base Station carries a hot surface label, as shown in Figure 5. Figure 5.
A wrist strap creates an equipotential electrical connection between the object and the human. The Nokia MetroSite EDGE Base Station has a grounding point (ESD stud) to which a wrist strap must be connected. The wrist strap should be used and connected to the ESD stud as shown in Figure 7.
Ensure the correct polarity. Incorrect polarity causes damage to the equipment. Caution The Nokia MetroSite BTS power switch does not disconnect the base station from the power network (AC or DC). The separate main switch on the site is considered to be the power disconnect device for safety and service purposes.