The XE1541 extended cable

You should follow these instructions if you already have an X1541 cable and you want to transform it.

Important notes


You need the following parts to build this cable:

Step 1. Unsolder all wires, except for the GND, from the parallel plug and resolder them to the other pins. These include the following changes:

From To
1, Strobe 13, Select
14, AutoFeed 12, PaperEnd
17, SelectIn 11, Busy
16, Init 10, Ack
18-25, GND leave it

Step 2. Build the diode bridges between the appropriate pins of the parallel plug. These include the following connections:

Parallel plug Parallel plug
13, Select 1, Strobe
12, PaperEnd 14, AutoFeed
11, Busy 17, SelectIn
10, Ack 16, Init

The cathodes of the diodes should be pointing towards the pins in the right column of the table.

Circuit diagram

[XE1541 extended cable]

The original connections of the X1541 cable are shown in grey. You can find the description of all parts used on the diagrams at the legend page.

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