Nortel 1000 Installation And Commissioning Manual page 103

Multi Group systems, see
an echo canceller" (page 113)
with an echo canceller" (page
QPC720 PRI card on Multi Group systems" (page
Figure 41
NT8D72(Half Group cabling) on Half and Single Group systems without an echo canceller
Copyright © 2003-2007, Nortel Networks
.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Figure 51 "QPC720 Multi Group cabling without
and Figure 52 "QPC720 Multi Group cabling
114); also refer to
Cable requirements 103
Table 32 "Cable for the
118).