Making A Pesudo-ECP Parallel Cable : Pictures Page 1


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This is a null modem cable. This is the finished pseudo-ECP parallel cable.
This picture shows how the plastic housing joins together. Note the opposing clamps. It is designed to be difficult to open. Most casual attempts at opening the housing are foiled. Inside the housing of a null modem cable. Many such cables have 12 wires, and good cables have grounded shielding (the braided wire inside the thick transparent sheath.)
The EMF shield is connected to the metal part of the connector. A standard null modem cable should never have a signal pin on one side connected to the same pin on the other side. Another view of an opened connector housing. Familiarize yourself with the pin numbering and wire connections first before commencing to desolder the wires.

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