Card interfaces – Nortel Networks 1000 User Manual

Page 112

112

NT1R20 Off-Premise Station Analog Line card

Figure 21
OPS analog line card - block diagram

This functional description of the NT1R20 Off-Premise Station (OPS)
Analog Line Card is divided into two parts. First, a description of the card’s
control, signaling, and power interfaces is given, followed by a description
of how the card itself functions.

The following information describes the NT1R20 OPS Analog Line Card.

Figure 21 "OPS analog line card - block diagram" (page 112)

shows a

block diagram of the major functions contained on the OPS analog line
card. Each of these functions are described on the following pages.

Card interfaces

The OPS analog line card passes voice and signaling data over DS-30X
loops and maintenance data over the card LAN link. See

“Intelligent

Peripheral Equipment” (page 48)

for more details.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311