ADT Security Services VISTA-15 Manuel d'utilisateur télécharger pdf (Page 41)

Recommendations for Proper Protection

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Recommendations for Proper Intrusion Protection

For proper intrusion coverage, sensors should be located at every

possible point of entry to a home or commercial premises. This

includes skylights and upper windows in a multi-level building.

In addition, we recommend that radio backup be used in a security

system so that alarm signals can still be sent to the alarm monitoring

station in the event that the telephone lines are out of order (alarm

signals are normally sent over the phone lines, if connected to an

alarm monitoring station).

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ADT Security Services VISTA-15 Manuel d'utilisateur Page 41