Typographical Conventions; Information On Trademarks; Safety Rules - Videotec USB485 Manuel D'instructions

USB485
USB to RS485 converter
1 About this manual
Before installing and using this unit,
please read this manual carefully. Be sure
to keep it handy for later reference.

1.1 Typographical conventions

g h DANGER!
High level hazard.
Risk of electric shock. Disconnect the
power supply before proceeding with any
operation, unless indicated otherwise.
h h WARNING!
Medium level hazard.
This operation is very important for
the system to function properly. Please
read the procedure described very
carefully and carry it out as instructed.
j h INFO
Description of system specifications.
We recommend reading this part
carefully in order to understand
the subsequent stages.
2 Notes on copyright and
information on trademarks
The quoted names of products or companies
are trademarks or registered trademarks.
3 Safety rules
The manufacturer declines all responsibility
h h
for any damage caused by an improper use
of the appliances mentioned in this manual.
Furthermore, the manufacturer reserves
the right to modify its contents without
any prior notice. The documentation
contained in this manual has been
collected with great care, the manufacturer,
however, cannot take any liability for
its use. The same thing can be said for
any person or company involved in the
creation and production of this manual.
• The device must be installed only and
exclusively by qualified technical personnel.
• Before any technical work on the appliance,
disconnect the power supply.
• Do not use power supply cables
that seem worn or old.
• Never, under any circumstances, make any
changes or connections that are not shown in
this handbook: improper use of the appliance
can cause serious hazards, risking the safety
of personnel and of the installation.
• Use only original spare parts. Not original
spare parts could cause fire, electrical
discharge or other hazards.
• Before proceeding with installation check the
supplied material to make sure it corresponds
to the order specification by examining the
identification labels ("4.2 Product markings", page 2).
EN
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