Nortel Networks NN43001-301 - Manual (Page 121)

Switch settings 121
Figure 53
NT8D72AA, NT8D72AB, NT8D72BA PRI DIP switch settings for Large Systems
Note: For EuroISDN applications, use the default setting (120 ohms).
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.