Nortel Networks 1000 - Manual (Page 643)

Functional description 643
Figure 209
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 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.