Nortel Networks 1000 - Manual (Page 873)

Functional description 873
The NTBK50 meets all applicable Nortel Networks operating specifications.
The NTBK50 meets all applicable Nortel Networks operating specifications.
Figure 257
NTBK50 2.0 Mb PRI card with daughterboards
Functional description
NTBK50 provides the following features and components:
• recovery of the 2.048 kbps data by the CEPT receiver, at signal levels
which are attenuated by up to 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
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.