18AvisLe présent matériel est conforme aux spécifications techniques applicables d'IndustrieCanada.Before installing this equipment, users should ensure that it is permitted to be connectedto the facilities of the local telecommunications company. The equipment must also beinstalled using an acceptable method of connection. In some cases, the company's insidewiring associated with a single-line individual service may be extended by means of acertified connector assembly (telephone extension cord). The customer should be awarethat compliance with the above conditions may not prevent degradation of service insome situations.The Ringer Equivalence Number is an indication of the maximum number of devicesallowed to be connected to a telephone interface. The termination on an interface mayconsist of any combination of devices subject only to the requirement that the sum of theRENs of all the devices does not exceed five.Even if the dual-line option is installed, the REN is applicable to each port.AvisL'indice d'équivalence de la sonnerie (IES) sert à indiquer le nombre maximal determinaux qui peuvent être raccordés à une interface téléphonique. La terminaison d'uneinterface peut consister en une combinaison quelconque de dispositifs, à la seulecondition que la somme d'indices d'équivalence de la sonnerie de tous les dispositifsn'excède pas 5.Repairs to certified equipment should be made by an authorized Canadian maintenancefacility designated by the supplier. Any repairs or alterations made by the user to thisequipment, or equipment malfunctions, may give the telecommunications company causeto request the user to disconnect the equipment.Users should ensure for their own protection that the electrical ground connections of thepower utility, telephone lines and internal metallic water pipe system, if present, areconnected 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.• This Class B digital apparatus meets all requirements of the Canadian Interference-CausingEquipment Regulations.• Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur lematériel brouilleur du Canada.