Equipment protection against electrostatic discharges
44 MPR-e
EMC General Norms - Maintenance
• Before inserting the shielded unit, which will replace the faulty or modified unit,
clean and degrease all peripheral surfaces (contact springs, connection points, and so
on).
• Clean the dummy covers of the spare units as well.
• Fasten the units to the subrack with screws.
Equipment protection against electrostatic
discharges
Before removing ESD protection from the monitors, connectors and so on, follow the
precautionary measures stated above. Ensure that ESD protection is not removed until
maintenance and monitoring operations are terminated.
Most electronic devices are sensitive to electrostatic discharges; therefore the following
warning label has been affixed to the equipment:
Follow the precautionary measures stated previously when touching the electronic parts
during the installation and maintenance phases.
Workers are supplied with anti-static protection devices consisting of:
• an elasticized band worn around the wrist
• a coiled cord connected to the elasticized band and to the stud on the subrack
Cautions to avoid equipment damage
The following sections describe necessary information to avoid equipment damage.
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