Nortel Circuit Card 311 Reference page 889

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DS-30X microprocessor
The DS-30X is a utility processor, responsible for the following tasks:
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Signaling interface
Interconnections
The external connection is through a 50-pin MDF connector with the
NTBK05 carrier cable A0394217.
Copyright © 2003-2008, Nortel Networks
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controlling LEDs
downloading LCAs
monitoring errors and alarms
detecting the change of state in TS0, and outputting TS0 data
counting bipolar violations, slips, PLL alarms, frame-alignment errors,
and CRC-4 errors
monitoring the status of frame alignment and multiframe alignment
detecting and reporting of alarm indication signals (AIS)
updating of per channel loopback registers
controlling the far-end loopback and digroup loopback functions
controlling the DS-30X interface
receiving and decoding of messages and taking appropriate action
transmitting TS16 messages to the TS16 microprocessor
receiving TS16 messages from the TS16 microprocessor and passing
these messages to the A07
providing the 19.2 Kbps serial interface to the Card-LAN
controlling LEDs
downloading Local Calling Areas (LCAs)
monitoring errors and alarms
detecting the change of state in TS0, and outputting TS0 data
counting bipolar violations, slips, PLL alarms, frame-alignment errors,
and CRC-4 errors
monitoring the status of frame alignment and multiframe alignment
detecting and reporting of alarm indication signals (AIS)
updating of per channel loopback registers
controlling the far-end loopback and digroup loopback functions
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Architecture 889