Nortel Networks 311 Manual De Usuario

752

NT8D15 E and M Trunk card

Figure 242
Signaling orientation for tandem connection between E and M and CO trunks

Outgoing calls are processed as follows:

•

The M lead changes from ground to battery.

— If answer supervision is provided by the far end, there is a change

from open to ground on the E lead (ground detection).

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008