Black Box ACU5010A Spezifikationen PDF herunterladen (Seite 70)

ServSwitch Uno/Duo USB Installation and Use Page 69

6. Special features of the Uno/Duo USB

6.1 Synchronising ServSwitch Uno/Duo USBs for multiple video

head applications

Multiple ServSwitch Uno/Duo USBs 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 ServSwitch’s channel is switched it sends an RS232 command out on

its serial interface. The ServSwitch 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

ServSwitches from operating correctly.

The ServSwitch Uno/Duo USB may be synchronised with other Black Box KVM

switches that support compatible synchronisation features. These include the

ServSwitch Uno, Duo and Quadro products.

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Black Box ACU5010A Spezifikationen Seite 70