ABB REO 517 Applications Manual page 14

Multi-function terminals for railway application
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4
Introduction to the application manual
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Way of transmitting G.703 over a balanced line. Involves two twist-
ed pairs making it possible to transmit information in both direc-
tions.
An adaption of the Peripheral Component Interconnect (PCI) spec-
ification for industrial and/or embedded applications requiring a
more robust mechanical form factor than desktop PCI.
Way of transmitting G.703 over a balanced line. Involves four twist-
ed pairs of with two are used for transmitting data in both directions,
and two pairs for transmitting clock signals.
Modular 20 channel telecommunication system for speech, data
and protection signals.
Compact, time-division multiplexer for the transmission of up to
seven duplex channels of digital data over optical fibers.
Electrical and functional description for digital lines used by local
telephone companies. Can be transported over balanced and un-
balanced lines.
Standard for pulse code modulation of analog signals on digital
lines.
Gas Insulated Switchgear.
A serial master/slave protocol for point-to-point communication.
A network technology standard that provides 100 Mbits/s on twist-
ed-pair or optical fiber cable.
PCI Mezzanine Card (PMC) standard for local bus modules. Refer-
ences the CMC (IEEE P1386, also known as Common Mezzanine
Card) standard for the mechanics and the PCI specifications from
the PCI SIG (Special Interest Group) for the electrical.
Intelligent Gas Insulated Switchgear.
Local Area Network.
Liquid Chrystal Display
Light Emitting Diode
Local Operating Network.
Multifunction Vehicle Bus. Standardized serial bus originally devel-
oped for use in trains.
Process Interface for Sensors & Actuators.
Bus or LAN used at the process level, that is, in near proximity to
the measured and/or controlled components.
Reduced Instruction Set Computer.
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