Architecture - Nortel Circuit Card 311 Reference

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The NTAK79 card provides the following features and functions:
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Architecture

The main functional blocks of the NTAK79 architecture include:
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Copyright © 2003-2008, Nortel Networks
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onboard D-channel interface
32 software-selectable Tx & Rx Pad values
conversion of PCM commanding Laws (A-A, u-u, A-u, u-A)
Card-LAN for maintenance communications
recovery of the 2.048 kbps data by the CEPT receiver, at signal levels
which have been attenuated by up 10 dB
control of CEPT line density using HDB3 which provides 64 kbps clear
channel
performance monitoring of the receive carrier by means of Bipolar
Violations (BPV), Slips, CRC-4 (CRC), and Frame Bit Errors (FBER)
monitoring of receive carrier alarms including AIS, LOS, and RAI
transmission of remote alarm when instructed
slip-buffering receive messages
supporting National and International bits in time slot 0
on-board clock controller
onboard D-channel interface
32 software-selectable Tx & Rx Pad values
conversion of PCM commanding Laws (A-A, u-u, A-u, u-A)
Card-LAN for maintenance communications
DS-30X interface
A07 signaling interface
digital pad
carrier interface
CEPT transceiver
SLIP control
D-channel support interface
8031 microcontroller
Card-LAN / echo / test port interface
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Architecture 933