Instructions

tams elektronik
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10.5. RailCom
RailCom is an extension of the DCC protocol and defines all details of importance for reporting
back data in DCC controlled digital layouts. The basic idea is that RailCom compatible decoders
are not only used as recipients of digital commands but also report back data via the rails to the
RailCom detectors.
In order to make room for reporting back data, special RailCom boosters cut short gaps into the
continuous DCC data stream from the central unit to the decoders. These RailCom cutouts are
used to send data from the decoders to the detectors.
Using RailCom allows you e.g. to send commands to read out CVs from the central unit to the
decoders and to display the CVs´ values at the RailCom detectors.
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