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LTC 8785 Series | Instruction Manual | Illustrations
Bosch Security Systems | 19 April 2004
Figure 3 Typical Application Using a LTC 8785 Code Converter Unit
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Existing Allegiant Series Video
Switcher/Controller System
Upgrade to CPU Software
Version 5.5 or Higher
32 Separate
Data Outputs
Existing LTC 8568/00
Signal Distribution Unit
Control Code
Data Cable Supplied
with LTC 8568/00 Unit
LTC 8553/00 Variable
Speed Keyboard
LTC 8568/00 Front Panel View
Shielded Twisted Pair Cable
up to 1.5 km (5000 ft)
To Allegiant
Series System
Video Inputs
Video Coax
LTC 8561 Series
LTC 8566 Series
Receiver
Driver
AutoDome
Series Camera
Variable Speed and/or Fixed Speed
Biphase Control Codes Go to New
LTC 8561 Series, LTC 8566 Series
Receiver/Drivers, AutoDome Camera
Sites, and TC8785 Series
Code Converter Unit
Control Cable
Data Cable
Supplied with
LTC 8785
Series Unit
LTC 8785 Series Code Converter
LTC 8785 Series Front Panel View
AC Line
Cord
32 Separate
Data Outputs
Variable Speed Biphase Control Codes
are Converted by the LTC 8785 Series Units
into Appropriate Fixed Speed Control Codes
So Existing TC8561 Series Receiver/Drivers
Will Operate Normally
Older TC8561 Series Receiver/Drivers
are Only Capableof Responding to
Fixed Speed Biphase Control Codes
Existing
TC8561
Series
Receiver/
Drivers
Shielded Twisted Pair Cable
up to1.5 km (5000 ft)
Only Fixed Speed Biphase
Control Codes Go to Existing TC8561
Series Receiver/Drivers
Camera Pan/Tilt
Video Coax
S9511003BE
Camera Pan/Tilt