Abbreviations - Siemens SIMATIC NET PROFIBUS OBT Manual

Optical bus terminal
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Abbreviations

DIN
ESD
EN
EMC
FO
IEEE
ISO/OSI
HCSt
LAN
LED
OBT
OLM
PCF
POF
PROFIBUS DP
SELV
UL
VDE
PROFIBUS Optical Bus Terminal (OBT)
C79000-G8976-C122-03
Deutsche Industrie Norm (German industrial standard)
Electrostatic discharge
European standard
Electromagnetic compatibility
Fiber-optic
Institute of Electrical and Electronic Engineers
International Standards Organization / Open System
Interconnection
HCSt is a registered trademark of Ensign-Bickford
Optics Company and stands for
"Hard Polymer Cladded Silica Fiber".
In these instructions, only the
general term PCF is used.
Local Area Network
Light Emitting Diode
Optical Bus Terminal
Optical Link Module
Polymer Cladded Fiber, synonymous with HCSt fiber
Polymer Optical Fiber; synonymous with plastic FO cable
PROFIBUS Distributed I/Os
Safety extra-low voltage
Underwriter Laboratories
Verein Deutscher Elektroingenieure (association of
German electrical and electronics engineers)
10
10-1

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