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Slave Wizard DVI DL
Master monitorSlave monitor
Computers fitted
with dual video
heads
Serial synchronization cable
Multiple video head connections
As standard the Wizard DVI DL allows you to switch dual
monitors: one digital and one analogue. However, in cases where
two digital monitors are required, you can operate two Wizard
DVI DL units in a synchronized manner. This type of operation
is usually required where each computer is fitted with multiple
video cards or video cards with multiple video heads.
Whenever a Wizard DVI DL channel is switched, it sends an
RS232 command out on the serial interface (marked OPTIONS
on the rear panel). An Wizard DVI DL will switch its channel
if it receives the same command on the 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 synchronization 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 both devices from operating correctly. For more details
about the serial synchronization cables, see Appendix 2.
Master Wizard DVI DL