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LTC 8569 | Instruction Manual | Configuration Examples
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Bosch Security Systems | 15 March 2004
3. A Code Merger can combine control data generated by multiple devices, each having a different or
overlapping range of control code camera addresses. In this example, one Divar controls only system
cameras 1 to 16. The other Divar controls only system cameras 17 to 32 (as configured per the Divar
instruction manual), but the Allegiant is able to control all cameras.
4. The 32 channel System4 Server Series of digital recorders uses two (2) separate multiplexer units for
camera video connections. Each unit has its own biphase control code output that can only generate data
for camera addresses 1 to 16. Thus it is necessary to offset the control code being generated by the second
multiplexer for system cameras 17 to 32, so that their addresses match those being sent by the Allegiant.
This is easily done by configuring input 2 of the Code Merger to operate in the "address offset" mode.
ALLEGIANT Video Matrix
ALLEGIANT Data Unit
CODE
POWER
Allegiant
RECEIVER
DRIVER
Modified
Data Cables
Typical Pan/Tilt/Zoom
Equipped Camera Site
4-Ch. Code Merger
Divar Series
Digital Recorder
Allegiant Switcher
Typical AutoDome Camera Sites
Up to 1.5km (5000 feet)
using 1mm
2
(18AWG)
Shielded Twisted Pair
Biphase Data Cable
(Supplied)
Biphase
Control Code
LTC 8570 Series = 32 Separate Outputs
LTC 8572 Series = 64 Separate Outputs
Cable Splices
Up to 1.5km (5000 feet)
using 1mm
2
(18AWG)
Shielded Twisted Pair
(Any Input)
(Any Input)
(Any Input)
Divar Series
Digital Recorder
Control Data for
Cameras 1-32
Control Data for
Cameras 1-16
Control Data for
Cameras 17-32
BOSCH
Divar Digital Versatile Recorder
SEARCH
B
ACK
ALT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16LIVE
F2F1
ESC
A
BOSCH
Divar Digital Versatile Recorder
SEARCH
B
ACK
ALT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16LIVE
F2F1
ESC
A
Figure 5 - Allegiant Combined with Divar Series Digital Recorders
ALLEGIANT Video Matrix
ALLEGIANT Data Unit
CODE
POWER
Allegiant
RECEIVER
DRIVER
Modified Data Cables
(as required)
Typical Pan/Tilt/Zoom
Equipped Camera Site
4-Ch. Code Merger
System4 Server Series Digital Recorder
Allegiant Switcher
Typical AutoDome Camera Sites
Up to 1.5km (5000 feet)
using 1mm
2
(18AWG)
Shielded Twisted Pair
Biphase Data
Cable
(Supplied)
Biphase
Control Code
LTC 8570 Series = 32 Separate Outputs
LTC 8572 Series = 64 Separate Outputs
Cable Splice
(Input 3)
(Input 1)
Input 2
configured in
'address offset'
mode to convert
addresses from
1-16 to 17-32
Control Data for
Cameras 1-32
Control Data for
Cameras 1-16
Control Data for
Cameras 1-16
ACT
BOSCH
Video Multiplexer
ALM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
( )
#
VCR SEQ PLAY
REC
B
MMB
ACT
BOSCH
Video Multiplexer
ALM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
( )
#
VCR SEQ PLAY
REC
B
MMB
Mux with camera
connections 17-32
Mux with camera
connections 1-16
Switch 2 on internal dip switch
S101 set to ON position
(Input 2)
Figure 6 - Allegiant Combined with System4 Server Using Address Offset