Important Safety Instructions - Paradyne 3000 Installation Manual

Central office power unit
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Important Safety Instructions

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3000-A2-GB41-50
Read and follow all warning notices and instructions marked on the product or
included in the manual.
Slots and openings in the cabinet are provided for ventilation. To ensure reliable
operation of the product and to protect it from overheating, these slots and openings
must not be blocked or covered.
Do not attempt to service this product yourself, as opening or removing covers may
expose you to dangerous high voltage points or other risks. Refer all servicing to
qualified service personnel.
General purpose cables are provided with this product. Special cables, which may be
required by the regulatory inspection authority for the installation site, are the
responsibility of the customer. To reduce the risk of fire, use a UL Listed or CSA
Certified, minimum No. 26 AWG telecommunication cable.
When installed in the final configuration, the product must comply with the applicable
Safety Standards and regulatory requirements of the country in which it is installed. If
necessary, consult with the appropriate regulatory agencies and inspection
authorities to ensure compliance.
This product is to be conneted to a 48 VDC SELV supply source that is electrically
isolated from the AC source. The positive terminal of the 48 VDC source is to be
reliably connected to earth. Connect a green/yellow earthing (grounding) wire to the
protective earthing (grounding) lug connector, identified by the protective earth
symbol on the chassis.
In addition, if the equipment is to be used with telecommunications circuits, take the
following precautions:
Never install telephone wiring during a lightning storm.
Never install telephone jacks in wet locations unless the jack is specifically
designed for wet locations.
Never touch uninsulated telephone wires or terminals unless the telephone line
has been disconnected at the network interface.
Use caution when installing or modifying telephone lines.
Avoid using a telephone (other than a cordless type) during an electrical storm.
There may be a remote risk of electric shock from lightning.
Do not use the telephone to report a gas leak in the vicinity of the leak.
October 2002
Safety Instructions
B

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Comsphere 3600 seriesComsphere –48 vdc

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