W&T 81215 User Manual
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Subject to error and alteration
W&T Universal Fiber Optic Interface Converter
Manual
Universal FO Interface Converter
Model 81215
Release 1.0
W&T
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W&T Universal Fiber Optic Interface Converter
© 10/2012 by Wiesemann & Theis GmbH
Subject to error and alteration:
Since it is possible that we make mistakes, you mustn’t use
any of our statements without verification. Please, inform us
of any error or misunderstanding you come about, so we can
identify and eliminate it as soon as possible.
Carry out your work on or with W&T products only to the
extent that they are described here and after you have completely read and understood the manual or guide. We are not
liable for unauthorized repairs or tampering. When in doubt,
check first with us or with your dealer.
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Subject to error and alteration
W&T Universal Fiber Optic Interface Converter
Glass fiber optic transmission lines are the solution of choice
when you need to implement absolutely noise-free serial
data transmission over long distances and/or in noisy
environments.
Whereas the attenuation with plastic fiber optics places a limit
of maximum 100 meters on the attainable cable length, the
distances achievable with glass fiber optics are significantly
greater and at a comparable cable cost.
The fiber-optic solution offers another significant advantage: The data transfer is carried out with minimal delay and
enables the processing of real-time protocols.
Wiesemann & Theis offers an entire family of various fiber
optic interfaces that allow you to convert critical I/O ports
or serial ports into an optical port for connecting glass fiber
optic cable.
This interface family is described on the following pages
along with the corresponding technical data and including
connection examples.
For up-to-date information on new developments, see our
Internet site at http://www.wut.de or check the e-mail
short notices at the W&T Interface Club, which you can also
subscribe to from the W&T Homepage.
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W&T Universal Fiber Optic Interface Converter
Index
Universal FO Interface RS232/RS422/RS485, #81215 ......... 17
Function.....................................................................................................17
Power Supply ..........................................................................................17
Galvanic isolation and ESD protection.........................................17
Display elements ................................................................................... 18
Serial Port .................................................................................................19
RS232 mode ............................................................................................. 19
RS422 mode ............................................................................................. 19
RS485 mode ............................................................................................. 19
RS422, RS485 4-wire bus master application .......................... 19
RS485 4 wire / RS485 2-wire application with echo .............. 20
RS485 2 wire application without echo .....................................20
Termination .............................................................................................20
Optical Interface .................................................................................... 21
Housing .....................................................................................................22
Technical Data ........................................................................................ 23
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