Motorola SD4504 - Manual (Page 26)

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The plug and jack used to connect this equipment to the premises wiring and telephone
network must comply with the rules and requirements in Industry Canada’s CS-03. A
compliant telephone cord and modular plug is provided with this product. It is designed to be
connected to a compatible modular jack that is also compliant.
For your protection, ensure 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.
You should not attempt to make such connections yourself. Contact the appropriate electrical
inspection authority or an electrician, as appropriate.If your home has specially wired alarm
equipment connected to the telephone line, ensure the installation of this cordless phone
does not disable your alarm equipment. If you have questions about what will disable alarm
equipment, consult your telephone company or a qualified installer.