Assemble the booster in a location that is
easy to view and has sufficient ventilation
in order to be able to dissipate the waste
heat. Do not position the booster close to
strong heat sources such as radiators or in
positions exposed to direct sunlight under
any circumstances. This booster has been
exclusively developed for dry indoor areas.
Therefore, do not operate the booster in
environments with high temperature and
humidity fluctuations.
The booster is connected to the control centre, e.g. Z21 on the „B-BUS" or to another booster via the
enclosed four-pole B-BUS cable. The connection on older control centres or boosters may be labelled as
„Booster out". In doing so, it is unimportant which of the two bushes are used on the booster. The booster
accepts both the DCC as well as the Motorola protocol.
ATTENTION: The RailCom
function must be deactivated if
different mixed boosters are used
(please refer to the Configuration
Chapter for further information).
Information: If you do
not wish for the short
circuit notification to be
forwarded to the control
centre, this function can be
deactivated (please refer to
the Configuration Chapter for
further information).
8010805920 V_2016.indd 13
Booster assembly
Connecting the booster - B-BUS
Z21
Tip: When assembling the booster, use
round head screws such as
3x30 mm screws.
Z21-Booster
Replacement booster cable, Art. no.: 10757
GB
Z21-Booster
etc.
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