Replacing Units; Esd Protection; Figure 5. Electro-Static Sensitive Device Symbol - Nokia MetroSite Maintenance Manual

6

Replacing units

This chapter describes how to replace plug-in units in the Nokia MetroSite EDGE
Base Station.
Caution
BSC and/or NMS personnel must be notified before starting to replace or add
units to the Nokia MetroSite EDGE Base Station.
6.1

ESD protection

Caution
Some units in the MetroSite BTS contain electro-static sensitive devices. The
BTS is labelled with an electro-static sensitive device symbol as shown in Figure
5.
Always use an anti-static wrist strap connected to the cabinet ESD stud, whenever
handling electro-static sensitive units. The wrist strap and connection stud is
shown in Figure 6.
Figure 5.
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Electro-static sensitive device symbol
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Replacing units
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