Nortel Networks 1000 - Manual (Page 678)

678 NT8D15 E and M Trunk card
Figure 230
E and M Type II signaling patterns - originating party release on a tandem connection
Duplex signaling
Duplex (DX) signaling makes use of the voice transmission leads for
signaling as well as for voice transmission.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.