Installation Configurations
There are two types of installation configurations for coaxial, twisted-pair and fiber-optic domes, daisy-chain
or star, depending on the needs of the system. A daisy-chain loops signals from one unit to the next. There
can be a maximum of up to 5000 ft (1524 m) from the CPU, keypad or V1400X-IDL to the last dome in the
chain. A star configuration provides multiple communication paths. By fanning out communications, system
reliability increases; a failure on one leg of a star has no affect on the other units. The star configuration
requires the use of a Distribution Line Control, such as Vicon’s V1400X-IDL that can support up to 10 domes.
Refer to the figure below for an illustration of sample configurations. Both types of configurations can be used
within a system.
Note: For daisy chain operation, the DIP switch must be set to RS-485 protocol; for star operation the DIP
switch must be set to RS-422 protocol. Refer to Configuration section for setting the DIP switch.
34 • Wiring XX134-01-00 Rev 205 SurveyorVFT Camera Dome System
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