Iwatsu ADIX VS, Technical Manual

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5
Chapter 2
••
System Preparation
Safety Warning
Keep in mind the following precautions during the installation of the ADIX-VS Digital Telephone
System to ensure personal and public safety:
■
Do not install telephone wiring during a lightening storm.
■
Do not install telephone jacks in or near water unless the jack is specifically designed for
such locations.
■
Do not touch telephone wires or terminals that are not insulated unless the telephone line
has been disconnected at the network interface or ADIX-VS MDF, whichever is applicable.
■
Use caution when installing or modifying telephone lines.
Industry Canada Notice
Industry Canada Registration Number:
577 3326 A
Instructions to the User:
The Industry of Canada label identifies certified equipment. This
certification means that the equipment meets telecommunications network protective, operational,
and safety requirements as prescribed in the appropriate Terminal Equipment Technical
Requirements document(s). The Department does not guarantee the equipment will operate to the
user’s satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the
facilities of the local telecommunications company. The equipment must also be installed using an
acceptable method of connection. The customer should be aware that compliance with the above
conditions may not prevent degradation of service in come situations.
Repairs to certified equipment should be coordinated by a representative designated by the supplier.
Any repairs of alterations made by the user to this equipment, or equipment malfunctions, may give
the telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connection of the power
utility, telephone lines, and internal metallic water pipe system, if present, are connected together.
This precaution may be particularly important in rural areas.
Caution:
Users should not attempt to make such connections themselves, but should contact the
appropriate electric inspection authority, or electrician, as appropriate.
Ringer Equivalence Number (REN):
The Ringer Equivalence Number (REN) assigned to
each terminal device provides an indication of the maximum number of terminals allowed to be
connected to a telephone interface. The termination on an interface may consist of any combination
of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the
divices does not exceed 5.