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version 1.4, 2006/10/12 05:22:57

version 1.5, 2006/10/12 05:25:59

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All of these machines require a special serial cable which does

voltage conversion, and can hopefully be purchased along with the

card. This cable normally contains a little max232 or similar chip

which converts from the 3.3V signals to +/-12V. Or you can attempt

which converts from the 3.3V signals to +/-12V. The IO-DATA cable

has pins which can grip the inside of the holes. Or you can attempt

to build your own using

some Japanese instructions</a>.

<p>

The cable converts from a DB9 connector to a 5-pin header (3.3V Rx Tx GND NC).

All the boards have a 5-pin connector (called CN7) which the cable can plug

All the board models have a 5-pin connector (called CN7) which the cable can

into; except for the USL-5P which has a 4-pin header and also requires that

plug into -- except for the USL-5P which has a 4-pin header (thus requiring

the Rx and Tx pins be swapped. The IO-DATA cable has pins which can grip the

removal of the spare pin) and more significantly requires that the Rx and Tx

inside of the holes.

pins be swapped.

<p>

A USL-5P is shown with a modified little cable. The DB9 is glued into a slot

A USL-5P is shown with a modified IO-DATA cable. In this case the cable

cut into the plastic between the ethernet and a USB port.

has been shortened significantly and the DB9 connector is glued into a slot

carefully cut into the plastic between the ethernet and a USB port.

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