LINDY CPU Switch Dual Multi-Platform Installation and Use
Page 67
6. Special features of the Dual MP
6.1 Synchronising LINDY CPU Switch Dual MPs for multiple video
head applications
Multiple LINDY CPU Switch Dual MPs may 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 LINDY CPU Switch’s channel is switched it sends an RS232 command out on its
serial interface. The LINDY CPU Switch 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 a daisy chain of slaved units as
shown in the diagram below.
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
LINDY CPU Switches from operating correctly.
The LINDY CPU Switch Dual MP may be synchronised with other LINDY KVM
switches that support compatible synchronisation features. These include the LINDY
CPU Switch Dual Junior and CPU Switch Dual / Quad products running firmware
versions of 1.12 or higher.
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