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VS-900 Architects and Engineering Specifications v1.0
16
3.16 CONFERENCE
The Conference function shall allow any Master Station or Telephone Master Station to initiate
simultaneous conversation with up to two other Master Stations or Telephone Master Stations.
3.17 EMERGENCY CONFERENCE
The Emergency Conference function shall allow any Master Station or Telephone Master Station
to initiate simultaneous conversation with a pre-programmed group of up to three other Master
Stations or Telephone Master Station with a short key sequence.
3.18 PAGING
The Paging function shall allow Master Stations or Telephone Master Stations to broadcast to
pre-programmed zones or all-zones of multiple Sub-stations* and/or external public address
equipment. It shall be possible to initiate the Paging function with the Master Station handset
either off-hook or on-hook.
*External amplifier required.
3.18.1 ZONE PAGING
The Zone Paging function shall allow paging to up to nineteen (19) individual zones established in
system programming by combining Sub-stations with external public address system equipment.
Up to 1,024 Sub-stations and up to 16 external control outputs can be registered per zone. It shall
be possible to randomly select two or more individual zones simultaneously (up to 19). A paging
pre-announcement tone shall be transmitted to the selected zones.
3.18.2 ALL-ZONE PAGING
The All-Zone Paging function shall allow simultaneous broadcast to all programmed zones of
Sub-stations and external public address equipment. Sub-stations and external public address
equipment not assigned to zones shall not receive the All-Zone broadcast. A paging pre-
announcement tone shall be transmitted to all zones. The Master Station shall initiate the Paging
function with the handset either off-hook or on-hook and terminate the Paging function by
replacing the handset or pressing the [C] key.
3.18.3 EMERGENCY PAGING
The Emergency Paging function shall allow simultaneous broadcast to all connected Master
Stations, Sub-stations, and external public address equipment. It shall be possible to restrict
access to the Emergency Paging function in system programming. A distinct “Emergency” paging
pre-announcement tone shall be transmitted to all Sub-stations, Master Stations, Telephone
Master Stations, and external public address equipment. A continuous ringing tone shall sound at
each Telephone Master Station.
3.18.4 BROADCAST PRIORITY
The broadcast priority from highest to lowest shall be Emergency Paging, Emergency
Conference, External Source Distribution and All-Zone Paging. A higher priority broadcast shall
interrupt all lower priority paging or broadcast functions.
3.18.5 PAGING TIME-OUT
The Paging Time-Out function shall automatically terminate Zone and All-Call paging calls that
exceed a pre-programmed time limit from ten (10) to nine-hundred and ninety (990) seconds in
ten (10) second intervals. The Paging Time-Out function shall not affect the Emergency Paging
function.