Owner's manual

Operation 669

Figure 225

E and M Type I signaling patterns - originating party release on a tandem connection

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

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

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 02.06 Standard

27 August 2008