Nortel Networks 311 User Manual
Architecture
975
•
slip-buffering receive messages
•
support of National and International bits in timeslot 0
•
clock controller daughterboard
•
D-channel interface daughterboard
•
downloadable D-channel handler daughterboard
•
32 software-selectable Tx and Rx Pad values
•
conversion of PCM commanding Laws (A-A, u-u, A-u, u-A)
•
Card-LAN for maintenance communications
Architecture
The main functional blocks of the NTBK50 architecture are:
•
DS-30X interface
•
A07 signaling interface
•
digital pad
•
carrier interface
•
CEPT transceiver
•
SLIP control
•
D-channel support interface
•
clock controller interface
•
Card-LAN / echo / test port interface
•
80C51FA Microcontroller
The main functional blocks of the NTBK50 architecture include:
•
DS-30X interface
•
A07 signaling interface
•
digital pad
•
carrier interface
•
CEPT transceiver
•
SLIP control
•
D-channel support interface
•
clock controller interface
•
Card-LAN / echo / test port interface
•
80C51FA Microcontroller
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.