UNIVERGE SV8100 Issue 5.0Door Box 1 - 459Door BoxDescriptionThe Door Box is a self-contained Intercom unit typically used to monitor an entrance door. A visitor at thedoor can press the Door Box call button (like a door bell). The Door Box then sends chime tones to allextensions programmed to receive chimes. To answer the chime, the called extension user just lifts thehandset. This lets the extension user talk to the visitor at the Door Box. The Door Box is convenient tohave at a delivery entrance, for example. It is not necessary to have company personnel monitor thedelivery entrance; they answer the Door Box chimes instead. Any number of system extensions canreceive Door Box chime tones.Each Door Box has a pair of normally open relay contacts that can connect to an electric door strike. Usethese contacts to remotely control the entrance door. After answering the Door Box chimes, a multilineterminal user can press the Recall key to activate the Door Box contacts. This in turn releases theelectric strike on the entrance door. The device connected to the Door Box contacts cannot exceed thecontact ratings shown in the following table:The system can have up to eight Door Boxes. Six chime tones are available.Conditions The Door Box Feature Requires a PGD(2)-U10 ADP. A maximum of 56 PGD(2)-U10 ADPunits can be installed in an UNIVERGE SV8100 system. Refer to the UNIVERGE SV8100System Hardware Manual for more information. If a PGD(2)-U10 ADP circuit has a Door Box (doorphone) connected, you cannot use thatcircuit for External Paging. Door Boxes can ring multiline, single line, and wireless telephones. External Call forward by Doorphone can forward Doorphone calls Off-Premise while a useris away. This feature only works for ISDN lines. Off-hook signaling is available for Door Boxes. If an extension user is on the telephone, theLarge LED flashes indicating the Door Box ringing, and the display shows a call from thedoor box.Door Box SpecificationsContact Configuration Normally OpenMaximum Load 60mA @30 VDC10mA @90 VDCMaximum Initial Contact Resistance 50m Ohms
