Figure 238 paging trunk operation – Nortel Networks Circuit Card 311 User Manual
Page 741

Functional description
741
Figure 238
Paging trunk operation
Card control functions
Control functions are provided by a microcontroller, a card LAN, and
signaling and control circuits on the E and M Trunk card.
Control functions are provided by a microcontroller, a card LAN, and
signaling and control circuits on the E and M Trunk card.
Control functions are provided by a microcontroller, a card LAN, and
signaling and control circuits on the E and M Trunk card.
Microcontroller
The E and M Trunk card contains a microcontroller that controls the internal
operation of the card. The microcontroller provides the following functions:
•
card-identification
•
self-test
•
control of card operation
•
maintenance diagnostics
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.