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3. Communication specifications
■ Problems caused by poor connections
Chapter
7
AC100 to 200V
Ground wire was not at ground
potential or not connected.
7-8
External device *
FG
Connector metal parts
Potential
Failure to use
ground wire
might raise the
voltage potential.
* External device: Notebook PC using an AC adapter, etc.
Improper ground wire connection
might cause electrical shock if
connector metal parts are
touched.
RCX221
Malfunction or breakdown might
occur when making connection
or after connection.
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