Serial & Parallel Switchboxes  

This device has all 25 lines switched, and is typically used to switch between two PCs and two seria...

This is used to switch between one PC and two serial or parallel devices or two PCs and one serial o...

This is used to switch between either one PC and two serial devices or two PCs and one serial device...

This is used to switch between one PC and four parallel printers (software included) or four PCs and...

This box is used to switch between one PC and four parallel printers or four PCs and one parallel pr...

This is used to switch between one PC and four serial or parallel devices or four PCs and one serial...