Doug Fleenor Design DMXOPTO-5 - Manual (Page 11)

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When the -data line is lower than the +data line, the LED
indicator is extinguished and the output driver drives the +data
line low, the -data line high.
When there is no drive to the isolator (such as when the console
is turned off) the LED indicator is extinguished and the output
driver drives the data lines to their idle state (+data line
high, -data line low).
ABOUT THE COMPANY
Doug Fleenor Design is a semi-custom design and manufacturing
company. Our current standard products include converters for
many lighting control protocols, Optical Isolation products for
DMX512, AMX192, and other digital protocols, and a Digital
Multiplex Combine Unit (for combining two Digital Multiplex
signals in a pile-on, route, or patch operation). All these
standard products can be customized for particular needs.
Doug Fleenor, Principle Engineer, has been designing for the
entertainment industry since 1979. He spent the years from 1984
through 1990 as Teatronics' Chief Engineer. During this time his
work on advancing multiplex control consoles, dimmers and systems
earned him the nick-name "Doctor Mux". Doug Fleenor Design
continues to provide solutions to multiplex control problems as
well as designing custom and semi-custom control and dimming
systems.
WARRANTY
Products manufactured by Doug Fleenor Design carry a five year
warranty. If the product breaks due to a manufacturing defect,
within five years of manufacture, Doug Fleenor Design will repair
it. It is the customer's responsibility to return the product to
Doug Fleenor Design (at the customer's expense). Doug Fleenor
Design will repair the unit and return it to the customer (at
Doug Fleenor Design's expense). If a trip is necessary to the
customer's site to solve a problem, the expenses of the trip must
be paid by the customer.
If your unit is out of warranty, please call us anyway. We try
to be fair on all repairs. If the failure was our fault, we will
usually repair it at no charge regardless of the time period! We
want you to be happy with your purchase.