Nortel Networks Circuit Card 311 - Manual (Page 725)

Functional description 725
Figure 225
E and M Trunk card - block diagram
• Provides indication of card status from self-test diagnostics on faceplate
Light Emitting Diode (LED).
• Supports loopback of PCM signals to DS30X for diagnostic purposes.
• Card ID provided for auto configuration and determining serial number
and firmware level of card.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.