How This Manual Is Organizedviitermination on an interface may consist of any combination of devices subject only to therequirement that the sum of the Ringer Equivalence Number of all the devices does not exceed 5.• The REN of this product is 0.3• Repairs to certified equipment should be made by an authorized Canadian maintenance facilitydesignated by the supplier. Any repairs or alterations made by the user to this equipment, orequipment malfunctions, may give the telecommunications company cause to request the user todisconnect the equipment.• Complies with the Canadian ICES-003 class A limits.• Users should ensure for their own protection that the electrical ground connections of the powerutility, 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 theappropriate electric inspection authority, or electrician, as appropriate.Note: This Class A digital apparatus meets all requirements of the Canadian interferenceCausing Equipment Regulations.