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DOC REQUIREMENTS
Equipment Attachment Limitations
Notice:
This equipment meets telecommunications network protective, operational and safety requirements as prescribed in the
appropriate Terminal Equipment Technical Requirements Document(s). This is confirmed by marking the equipment with the Industry
Canada certification number. The Department does not guarantee the equipment will operate to the users 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 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
electrician, as appropriate.
Notice: The Ringer Equivalency 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 Equivalency Numbers of all the devices does not exceed five.
