Nortel Networks 1000 - Manual (Page 111)

Functional description 111
Figure 20
OPS analog line card - faceplate
The faceplate of the card is equipped with a red LED. When an NT1R20
OPS Analog Line Card is installed, the LED remains lit for two to five
seconds while the self-test runs. If the self-test completes successfully, the
LED flashes three times and remains lit. When the card is configured and
enabled in software, the LED goes out.
Functional description
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. See
Figure 21 "OPS analog line card -
block diagram" (page 112) .
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.