Important notes

• On circuit diagrams, plugs are displayed as viewed from the back side, the solder side. Chips are displayed as viewed from above; also, see the small semicircular cut for finding the correct orientation. When in doubt, see the corresponding description on the legend page.

Construction

You need the following parts to build this cable:

• One solderable user port plug

• One solderable 25-pin male plug (PC parallel plug)

• A shielded 10-wire or unshielded 11-wire cable of, preferably, at most 2 meters

Step 1. Solder one end of the cable onto the user port plug.

Step 2. Solder the other end of the cable onto the parallel plug. You should have the following connections:

User port plug 
 Parallel plug 

     A, GND    
18-25, GND     

     B, FLAG2  
    9, Data 7  

     C, PB0    
   15, Error   

     D, PB1    
   13, Select  

     E, PB2    
   12, PaperEnd

     F, PB3    
   10, Ack     

     H, PB4    
    2, Data 0  

     J, PB5    
    3, Data 1  

     K, PB6    
    4, Data 2  

     L, PB7    
    5, Data 3  

     M, PA2    
   11, Busy    

Circuit diagram

You can find the description of all parts used on the diagrams at the legend page.

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