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Application Notes
APPLICATION NOTE: Controlling An SKB Switch using a PC Printer Port
The intent of this application note is to define the physical interface required to control an SKB switch
via a standard PC enhanced parallel port (EPP).
Note that a graphical interface is available from JDS Uniphase Corp. for the purpose of evaluation of
the SKB product.
Setting the Computer to EPP Mode
In order to interface with the SKB switch via the computer parallel port, it is necessary to make the
data lines bi-directional, accomplished by using a parallel port operating in EPP mode.
To set the PC to EPP mode:
1. Use the PC operating manual and configure the parallel port for EPP, entering into the computers
BIOS mode/setup and changing (or confirming) the port.
Using the Printer Port
To use the printer port with the switch:
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