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A 4567C 10 Zone Line Monitor
®
1.5 REAR PANEL CONNECTIONS
Figure 2 shows the layout of the A 4567C rear panel.
24VDC
24V DC
Backup
DC Fuse
Input
Manufactured in Australia By
Altronic Distributors Pty. Ltd.
www.altronics.com.au
(1A M205)
-
+
1 2
1
DC Fuse (1A M205)
This fuse protects the internal power supply. Replace with M205 1A rated fuse only.
2
24V DC Input (Main Supply)
Connects to a 24V DC supply with at least 1 amp current capacity. (Please observe the polarity)
3
24V DC Input (Backup)
Connects to a 24V DC backup supply with at least 1amp current capacity. (Please observe the polarity)
4
Interface
This connection is to interface to the optional A 4568 Fire Board Interface.
5
Combined 24V DC Output
This is a combined 24V DC output which is activated when any fault is active. i.e. An "Open" or "Short"
condition on any zone. The terminals provided can be used for "Normal" or "Failsafe" modes. The output
terminals have a N/O (normally open), N/C (normally closed) and a ground connection. In this
configuration 24V appears between the N/O and ground terminals when this output is activated. When this
output is not active 24V appears between the N/C and ground terminals.
6
Open 24V Output
This is a 24V DC output which is activated when any zone goes into an "Open" fault condition. The
terminals provided can be used for "Normal" or "Failsafe" modes. The output terminals have a N/O (normally
open), N/C (normally closed) and a ground connection. In this configuration 24V appears between the N/O and
ground terminals when this output is activated. When this output is not active 24V appears between the N/C and
ground terminals.
7
Short 24V Output
This is a 24V DC output which is activated when any zone goes into a "Short" fault condition. The
terminals provided can be used for "Normal" or "Failsafe" modes. The output terminals have a N/O (normally
open), N/C (normally closed) and a ground connection. In this configuration 24V appears between the N/O and
ground terminals when this output is activated. When this output is not active 24V appears between the N/C and
ground terminals.
8
Zone Connections
These screw terminals are used to connect the 10 zones to their associated Amplifiers and Speaker Loads. The
"IN" terminals are connected to the amplifiers and the "OUT" terminals are connected to the speaker lines.
NOTE : Speakers on any zone must be wired in a "Loop In", "Loop Out" (or parallel) configuration. "Star" wiring
or "Tee Offs" are not permitted and will cause the system to go register a fault. See Fig 2.2 for more details.
Any unused zones must have a 100KΩ 0.25W end of line resistor fitted.
4
Redback® Proudly Made In Australia
ZONE 10
Combined
Short
Open
Interface 1
24V Out
24V Out
24V Out
OUT 10
IN 10
3
4
5
6
7
ZONE 9
ZONE 8
ZONE 7
ZONE 6
OUT 9
IN 9
OUT 8
IN 8
OUT 7
IN 7
OUT 6
IN 6
Fig 2
ZONE 5
ZONE 4
ZONE 3
ZONE 2
OUT 5
IN 5
OUT 4
IN 4
OUT 3
IN 3
OUT 2
8
www.redbackaudio.com.au
ZONE 1
IN 2
OUT 1
IN 1
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