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Data Hacking

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Chapter 2 — Building GPS <strong>Data</strong> Cables and Power Cords<br />

■ The wire corresponding to pin 3 (data in on the 9-pin D connector) connects to<br />

pin 2 (data in) on the GPS connector.<br />

■ The wire corresponding to pin 5 (ground on the 9-pin D connector) connects to<br />

pin 4 (ground) on the GPS connector.<br />

FIGURE 2-12: The pins need to be threaded through this hole.<br />

Thread<br />

through<br />

here...<br />

The fourth pin is only required if you are making a power cable or a combo cable.<br />

If you’re connecting to a 25-pin DB-25 connector, swap over pins 2 and 3 at the PC<br />

connector.<br />

25

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