Computer Hardware Installation Guide

Operation 749

Figure 248 "E and M type signaling patterns - or iginating party release"

(page 766) shows E and M Type I signaling patterns for incoming and

outgoing calls. Figure 249 "E and M Type I signaling patterns - or iginating

party release on a tandem connection" (page 767) shows Type I signaling

patterns on a tandem connection where the originating end is senderized

and the route is over a CO tr unk (not applicable to CCSA).

Idle state For E and M signaling, in the idle state the M lead is ground

and the E lead is an open circuit.

For E and M signaling, in the idle state the M lead is ground and the E

lead is an open circuit.

For E and M signaling, in the idle state the M lead is ground and the E

lead is an open circuit.

Outgoing calls Outgoing calls are processed as follows:

•

The M lead changes from ground to battery.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311 01.04 Standard

Release 5.0 23 May 2008