Nortel-networks Circuit Card Manual de usuario Pagina 724

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Page 724 of 906 NTAK10 2.0 Mb DTI card
553-3001-211 Standard 3.00 August 2005
per-channel and all-channel loopback capabilities for near-end and
far-end
•self-test
download of incoming ABCD validation times from software
warm SYSLOAD (TS16 AS16 transmitted)
Applicability to France
Features specific to DTI requirements for France are implemented in
firmware, and are switch-accessed. These are:
transmission and reception of alarm indication signaling (AIS) in TS16
such as card disabled and warm SYSLOAD
France-specific PPM counting
decadic dialing
France-specific alarm report and error handling
Architecture
The main functional blocks of the NTAK10 card architecture include:
DS-30X interface
signaling interface
three microprocessors
digital pad
Card-LAN interface
carrier interface
clock controller interface
DS-30X interface
The NTAK10 card interfaces to one DS-30X bus which contains
32 byte-interleaved timeslots operating at 2.56 Mb. Each timeslot contains
10 bits in a 10 message format; eight are assigned to voice/data (64 Kbps),
one to signaling (8 Kbps), and one is a data valid bit (8 Kbps).
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