Background Information: Railcom - tams elektronik RailCom RCD-2 Manual

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4. Background information: RailCom

Feedback with RailCom
RailCom is a standard for bi-directional communication in digital model
railway layouts controlled in DCC-format. It allows e.g. the feedback of
the address and the CV values from RailCom decoders to the digital
control unit or to special receivers (so-called detectors).
To transfer the RailCom messages special RailCom boosters supplying
the so-called RailCom cutout have to be used.
Data transfer between RailCom components
The RailCom standard is the basis of the communication between
RailCom compatible decoders and RailCom detectors, which allows you
to use detectors and decoders of different manufacturers together. On
the other hand, a manufacturer specific data bus is used to
communicate between detectors, display devices and PC interfaces.
That is the reason why the use of detectors, display devices and PC
interfaces of one manufacturer is mandatory.
The data bus used by Tams Elektronik for the communication between
detectors, display devices and PC interfaces allows you

to control up to 24 separate track sections and

to connect up to 32 RailCom devices (detectors RCD-1, RCD-2 or
RCD-8, display devices RCA-1 or RCA-24, PC interfaces RC-Link).
In order to assign the detectors, display devices and PC interfaces to
each other, they get addresses between 1 and 24.
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