Now I have seen the pics, I get the bigger picture. The QTCL BoB is a parallel port BoB - BUT - in this case it is being driven by the PCF08094 which is an ethernet interface.

You have two options :-

Set up the Ethernet address as Jazz says (which is the better way to go!)

or plug the QTCL BoB into your printer port with an appropriate printer cable adapter like this one - If you could find one (I am not selling mine!)
Click image for larger version. 

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