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Telephone Entry Systems Apartments and Gated Communities The telephone entry system stores, recalls, and dials the telephone numbers of your building's residents and responds to signals from their phones to unlock a door or activate an automatic gate operator. When a visitor arrives at the controlled entrance, he enters the number listed next to the resident's name on the directory. If the resident decides to let the visitor in, he enters a "9". This will cause the controlled entrance to be unlocked. It will also cause the display to show an open indication and cause the system to emit a 3-second tone. The system also has an option which allows a 4 digit code to activate the door or gate. If invalid codes are entered successively within a 3-minute period the unit will disable itself for 3-minutes. |  Home page | Gates: Barrier | Gates: Parking | Gates: Fence | Parking Controls | |  Personnel Access | Controls | Telephone Entry | Vehicle Detection | Automatic Vehicle  | |  Door Interface | Preassembled | Signs/Traffic | Lights |