8
• Wear an earth grounded wrist strap, or discharge any static charge build-up,
when handling the I
2
C adapter or any target system devices.
• Ensure that both the host computer and target system are connected to a common
earth ground point.
• Make sure that all interconnections are made BEFORE applying power to the
host computer, I
2
C adapter, and target system.
• If you are using a laptop computer or host computer that is NOT connected to
mains earth ground, make a hard-wired connection from the host computer (i.e.,
RS-232 port D-connector shell) and the target system ground connector to a
common earth ground point.
• Avoid plugging and unplugging system components while the host computer or
target system is powered.
• Ensure that any devices connected to the target system are properly grounded to
the common earth ground point.
• If unsure how to properly ground system components, seek electrical expert help.
WARNING: Any damage caused by Electrostatic Discharge (ESD) through
inadequate earth grounding is NOT covered under the warranty of this product.
5 Hardware Set-Up
This section provides information on connecting the I
2
C adapter to your host
computer and I
2
C Bus target system.
1. Attach the I
2
C adapter to a free RS-232 port on your host computer. If your
RS-232 port has a DB9 connector, use DB-9F to DB-25M serial port cable
included with the I
2
C adapter.
2. Connect the I
2
C Bus cable to the I
2
C adapter and your I
2
C device. If your
device does not have the matching I
2
C connector, you can cut the end of the
cable and attach the individual wires via any appropriate connector (See the
“I
2
C Interface Connector” section for details). MCC also offers an I
2
C
clip-lead cable (#CABCL) that is compatible with our adapters. You may not
need to, or want to, connect the +5V wire to your target system. Refer to the
“+5VDC Power Jack” and “Hardware Configuration” sections for details on
pull-up resistors and connecting the optional +5V wire.
3. Connect I
2
C adapter power via the power jack or I
2
C Bus connector. See
“+5VDC Power Jack” section for details.
(77 Seiten)
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