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Redback® Proudly Made In Australia
3
Fig 1.4A
shows the layout of the A 4567B front panel.
Fig 1.4A
1
Zone Indicators
These LED’s indicate the status of each of the 10 zones.
2
Zone Status Indicator Legend
The legend outlines the status of the 10 zones. Green indicates a “Normal” condition on the zone. Orange
indicates an “Open” condition on the zone. i.e. the speaker line has a break somewhere on the line. Red
indicates a “Short” condition. i.e. there is a short circuit on the line.
3 Buzzer
The buzzer sounds when either an “Open” or a “Short” condition occurs on a zone.
4
Cancel Buzzer Button
This button is used to cancel the buzzer from sounding. Note: This does not turn off the fault indicator/s.
5
On indicator
Indicates when the unit has power.
6
Power Switch
Used to turn on the unit. Note: The 24V DC backup input bypasses the power switch.
1.4 FRONT PANEL GUIDE
Overview
Power
Zone 1
Line Monitoring Unit
A 4567B
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
Zone 7
Zone 8
Zone 9
Zone 10
Status
Cancel
Buzzer
Normal
Open
Short
On
2
3
4
5
6
1
