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Boots CS-1000 Manual de usuario Pagina 293

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Notes
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The key part of the TDM trunks is the
PRI card itself. There are several
different configurations of card but for
CS1000 systems it tends to be the
NTBK50 which has the option of two
daughter boards which support the
Clock Controller and the D-Channel
interface.
The Clock controller is necessary for to
ensure the correct synchronisation of
timeslots. One card can support multiple
links but they must be housed in the
same Media Gateway on a CS1000.
Hence you are likely to see multiple PRI
cards in a chassis with only one
equipped with a Clock controller
(MGCLK).
The D-Channel card interfaces the
system to the circuit and generates and
interprets the signalling messages for
the link.
CS 1000 Rel 7.5 16/04/2013
Copyright Amlex Associates Ltd
293
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