Section 700 - Operation Chapter 3. System Features576-20-700 DBS 576 (USA), issued January 1999 45Considerations• N/ADoor BoxDescriptionThe door box (also called door phone) allows visitors to announce their presence from the office door,etc. When the button on the door box is pressed, one or more phones ring in the System. Whenanswered, a two way conversation is made between the door box and the answering phone.The answering party can operate a connected door opener (if equipped).OperationTo answer a door box:Hardware Requirements• The door box requires a Door Box Adaptor (VB-43701), Door Box (VA-43705), and DoorOpener. Door openers are not sold by Panasonic; however, they can be purchased from anelectronics dealer.• Up to 2 Door Boxes can be connected to a Door Box Adaptor and utilize the same trunk.• The Door Opener can be set to open for 15 seconds, 30 seconds, or one minute.• While the Door Opener is functioning, a call from another Door Box on the same Door Boxadaptor cannot be answered.Related Programming• N/AConsiderations• The trunk connected to the Door Box Adaptor must be set to dial pulse (DP).Door Box SensorThe sensor is a device that detects when a circuit is opened or closed. Sensors can be used to detectevents such as the opening of windows or doors. When the sensor is tripped, a tone sounds at adesignated extension. Sensors are not sold by Panasonic; however, they can be purchased separatelyfrom an electronics dealer.Hardware Requirements• The sensor is attached to the Door Box Adaptor (VB-43701).Action Result1. Answer the door box. (Door box calls ring in on a dedicatedFF key.)Two way conversation possible2. Enter 3 while connected to the door box extension. Door unlocks
