Panasonic Digital Business System Installation Manual
Also see for DBS 128: Overview
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Contents
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Panasonic Digital Business System - Installation ManualMarch 1997 Issue 552Voice Announce UnitFigure 29 - VAU SchematicThe Voice Announce Unit (VAU) is an optional unit for use with the DBS and S-DBS systems. It is connected todigital extension ports. The VAU provides recorded messages to callers, then transfers them to another extensionfollowing the callers’ DTMF dialled instructions.Each Voice Announce Unit contains two answering circuits each can have a different message or messagesrecorded depending upon DIP switch settings. Each circuit is associated with one of the DEC ports. Circuit 1 forport 1 and circuit 2 for port 2.The recorded messages and programmed information have a battery backup which will hold the data for up to 5days in the event of a power failure once the unit has been installed for 48 hours.When the VAU detects a call, it answers and plays a recorded message. If the VAU is used to back up anoperator, or group of people, a delay to answer can be inserted, this allows the original persons time to answer thecall if they are available. The delay to answer time is determined by dip switches within a range from 0 to 32seconds. Recall ringing will override the delay to answer timer and the call will be answered immediately.In the event that a caller is using an LD/pulse dialling telephone, or the DTMF level is low, the VAU willautomatically transfer the call to a predetermined extension.Note:For correct operation when a caller clears before the Voice Announce Unit has routed the call, theexchange to which the DBS is connected must supply Calling Party Clear (CPC) signalling. If the trunksbeing answered are analogue the DBS must be set to detect CPC signalling on the analogue trunksringing the VAU.Hardware45mm240mm120mmDECcardDBSVAU unit1st circuit2nd circuitWeight 230g (approximate)Dimensions (HxWxD) 240x120x45 mmOperating temperatures 0~40 oCLoop resistance 40 ohms(maximum)Message storage RAMPort capacity 2DTMF receivers 2 |
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