Two or more SmartView World units can be connected together so that
they operate in a synchronised manner. Synchronised operation is useful for
applications that require multiple video signals to be switched together. This
type of operation is usually required where each computer is fitted with multiple
video cards or video cards with multiple video heads. Such configurations are
typically required in banking and engineering applications where greater video
‘real estate’ is required. Whenever the SmartView World channel is switched
it sends an RS232 command out on its serial interface (marked COM on the
rear panel). The SmartView World switches its channel if it receives the same
command on its serial interface. Consequently, by linking the serial interfaces,
a master unit may be made to automatically switch one or more slave units as
shown in the diagram.
It should be noted that the synchronisation cable deliberately does not have the
transmit pin of the Slave End connector linked to the receive pin of the Master
End connector. To do so would cause the Slave unit to be able to switch the
Master unit. This would setup an endless cyclical switching sequence that would
prevent the SmartView devices from operating correctly. For more details about
the serial synchronisation cables, see

Appendix 4

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