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Safety
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17. Slots and openings in the unit are provided for ventilation, to protect it from
overheating, and these openings must not be blocked or covered. This product should
not be placed in a built-in installation unless proper ventilation is provided.
18. To reduce the risk of an electrical shock, do not disassemble this product. Service
should be performed by trained personnel only. Opening or removing covers and/or
circuit boards may expose you to dangerous voltages or other risks. Incorrect
reassembly can cause electrical shock when the unit is subsequently used.
19. Some of the Alcatel-Lucent 1850 Transport Service Switch (TSS-5) hardware
modules contain FDA/CDRH Class I/IEC Class 1 single-mode laser products that are
enclosed lightwave transmission systems. Under normal operating conditions,
lightwave transmission systems are completely enclosed; nonetheless, the following
precautions must be observed because of the potential for eye damage:
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20. For a unit intended to be powered from –48 V dc voltage sources, read and understand
the following:
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365-372-403R5.1
Issue 1 November 2008
Do not disconnect any lightwave cable or splice and stare into the optical
connectors terminating the cables.
Lightwave/lightguide operations should not be performed by a technician who has
not satisfactorily completed an approved training course.
Do not use optical instruments such as an eye loupe to view a fiber or unterminated
connector.
More information about laser safety can be found in the Installation Manual.
To be powered only by Safety Extra Low Voltage (SELV) -48 V dc Sources.
Disconnect up to Two (2) power supply connections when removing power from
the system.
This equipment must be provided with a readily accessible disconnect device as
part of the building installation.
Ensure that there is no exposed wire when the input power cables are connected to
the unit.
Installation must include an independent frame ground drop to building ground.
Refer to User's Manual.
Electrostatic discharge ESD considerations
This symbol is marked on the product,
adjacent to the ground (earth) area for the
connection of the ground (earth) conductor.
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