Nortel Networks 311 User Manual

590

NT8D14 Universal Trunk card

Figure 150
Loop start call connection sequence - incoming call

Outgoing calls

For outgoing calls, the software sends an outgoing seizure message to
place a low-resistance loop across the tip and ring leads toward the CO.
See

and

. When the CO detects the

low-resistance loop, it prepares to receive digits.When the CO is ready

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008