Nortel Networks NN43001-301 - Manual (Page 110)

110 NT8D72 and QPC720 PRI card installation
Figure 48
QPC720 (Half Group cabling) for Multi Group systems with an echo canceller
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
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