Functional description – Nortel Networks Circuit Card 311 User Manual
Page 932
932
NTAK79 2.0 Mb PRI card
Environment
The NTAK79 meets all applicable Nortel Network’s operating specifications.
The NTAK79 meets all applicable Nortel Network’s operating specifications.
The NTAK79 meets all applicable Nortel Network’s operating specifications.
Functional description
The NTAK79 card provides the following features and functions:
•
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 communication
NTAK79 provides the following features and functions:
•
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
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.