Nortel Networks 1000 - Manual (Page 496)

496 NT8D14 Universal Trunk card
Figure 130
NT8D14 Universal trunk card - block diagram
Card interfaces
The NT8D14 Universal Trunk card passes voice and signaling data over
DS-30X loops, and maintenance data over the card LAN link. These
interfaces are described in
“Intelligent Peripheral Equipment” (page 21) .
Trunk interface units
The NT8D14 Universal Trunk card contains eight identical and
independently configurable trunk interface units (also referred to as
circuits). Each unit provides impedance matching and a balanced network
in a signal transformer/analog hybrid circuit.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.