Nortel Networks Circuit Card 311 - Manual (Page 754)

754 NT8D15 E and M Trunk card
Figure 244
E and M Type I signaling patterns - originating party release on a tandem connection
Incoming calls The far-end initiates calls as follows:
• The ground is placed on the E lead in E and M signaling.
• Dial pulses are subsequently applied from the far-end as ground open
on the E lead.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.