FCC and Industry Canada Compliance
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Equipment Attachment Limitations
The following are notices required by Industry Canada Terminal Attachment Program Cer-
tification Procedure CP-01, Part I, Section 14.
Ringer Equivalence Number (REN)
The Ringer Equivalence Number (REN) assigned to each terminal device provides an indi-
cation of the maximum number of terminals allowed to be connected to a telephone inter-
face. 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. The REN is associated with the analog loop-start and ground-start tele-
phones. It is not applicable to Siemens optiPoint telephones.
Equipment Attachment Limitations
The Industry Canada label identifies certified equipment. This certification means that the
equipment meets certain telecommunications network protective, operational and safety
requirements as prescribed in the appropriate Terminal Equipment Technical Requirement
documents. 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 in-
stalled using an acceptable method of connection. The customer should be aware that
compliance with the above conditions may not prevent degradation of service in some sit-
uations.
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 dis-
connect 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 con-
nected together. This precaution may be particularly important in rural areas.
DANGER
Users should not attempt to make such connections themselves, but should con-
tact the appropriate electric inspection authority, or electrician, as appropriate.
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