Redback A 4567B Operating Manual
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Redback A 4567B Operating Manual

10 zone line monitoring unit
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Operating Manual
A 4567B 10 Zone Line Monitoring Unit
Optional Accessories
A 4568 FIB Interface
A 4576 Alert Remote Plate
S 4444 24V Relay Board
S 4455 DIN Rail Relay Box
Redback® Proudly Made In Australia
Distributed by Altronic Distributors Pty. Ltd.
Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au
IMPORTANT NOTE:
Please read these instructions carefully from front to back prior to installation.
They include important setup instructions.
Failure to follow these instructions may prevent the amplifier from working as designed.
User manual revision number: 1.1 18 /06/2015

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Summary of Contents for Redback A 4567B

  • Page 1 Operating Manual A 4567B 10 Zone Line Monitoring Unit Optional Accessories A 4568 FIB Interface A 4576 Alert Remote Plate S 4444 24V Relay Board S 4455 DIN Rail Relay Box Redback® Proudly Made In Australia Distributed by Altronic Distributors Pty. Ltd.

  • Page 2: What's In The Box

    Many large commercial installations have speaker circuits in excess of 250W. Traditional line monitoring units were limited to 50W per zone and would not handle this load. The A 4567B can handle loads up to 500W per zone. The microprocessor controlled circuit continuously monitors loudspeaker lines for normal, open or short circuit condition.

  • Page 3: Front Panel Guide

    Overview 1.4 FRONT PANEL GUIDE Fig 1.4A shows the layout of the A 4567B front panel. A 4567B Line Monitoring Unit Cancel Normal Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9...

  • Page 4: Rear Panel Connections

    Overview 1.5 REAR PANEL CONNECTIONS Fig 1.5A shows the layout of the A 4567B rear panel. Firmware ZONE 10 ZONE 9 ZONE 8 ZONE 7 ZONE 6 ZONE 5 ZONE 4 ZONE 3 ZONE 2 ZONE 1 24V DC 24VDC...
  • Page 5 2.1 Installing the A 4567B Line Monitoring Unit (LMU) The A 4567B is a Line Monitoring unit or LMU. A LMU monitors the condition of 100V PA speaker lines and alerts the user when there is a problem with the speaker line wiring.
  • Page 6 End of Line resistor The value must be 100KΩ with a 100KΩ 0.25W. power rating of at least 0.25 watts. Fig 2.2d Speaker line coming into speaker termination. (Loop In) Redback® Proudly Made In Australia www.altronics.com.au...

  • Page 7: Troubleshooting

    Any new fault conditions will result in the alarm tone sounding again and the “Cancel” switch LED to illuminate. From then on, no matter how many times the cancel button is pushed the A 4567B will go into alarm mode any time there is a new fault condition on any of the zones.

  • Page 8: Symptoms And Remedies

    Zone connections:....Screw Terminals CONTROLS: Cancel Switch:........Push Switch INDICATORS:.......Power on, Zone fault condition POWER SUPPLY:............ 24V DC DIMENSIONS:≈........483W x 177D x 44H WEIGHT: ≈............... 3.7 kg COLOUR: ..............Black * Specifications subject to change without notice Redback® Proudly Made In Australia www.altronics.com.au...

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