19
Canada
Equipment attachment limitations
NOTICE: The Industry Canada label identifies certain equipment.
This certification means that the equipment meets
telecommuniations 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 above conditions may not
prevent degradation of service in some situations.
Repairs to certified equipment should be coordinated by a
representative designated by the supplier. Any repairs or 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 connections 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 electrian, as appropriate.
Ringer Equivalence Number (REN)
NOTICE: 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 devices does not exceed 5.